Nombre: Stefan Kozlov
PaÃs: USA
Fecha de nacimiento: 01.02.98, 28 años
ATP ranking: 292
TOP posición de la clasificación: 103 (18.07.22, 533 puntos)
Puntos: 181
Dinero del premio: 1079127 $
Partidos totales: 671
ganar: 386
%: 57.53 %
PaÃs: USA
Fecha de nacimiento: 01.02.98, 28 años
ATP ranking: 292
TOP posición de la clasificación: 103 (18.07.22, 533 puntos)
Puntos: 181
Dinero del premio: 1079127 $
Partidos totales: 671
ganar: 386
%: 57.53 %
| año | resumen | DifÃcil | Arcilla | I. difÃcil | Alfombra | Césped | AcrÃlico |
| 2026 | 17/15 | 5/6 | 5/5 | 7/4 | 0/0 | 0/0 | 0/0 |
| 2025 | 28/12 | 12/6 | 6/2 | 10/3 | 0/0 | 0/1 | 0/0 |
| 2024 | 37/20 | 16/9 | 17/8 | 4/3 | 0/0 | 0/0 | 0/0 |
| 2023 | 6/12 | 1/6 | 0/0 | 5/6 | 0/0 | 0/0 | 0/0 |
| 2022 | 21/34 | 14/18 | 0/5 | 4/5 | 0/0 | 3/6 | 0/0 |
| 2021 | 41/15 | 20/12 | 5/2 | 16/1 | 0/0 | 0/0 | 0/0 |
| 2020 | 13/13 | 7/8 | 0/0 | 6/5 | 0/0 | 0/0 | 0/0 |
| 2019 | 22/18 | 14/9 | 4/4 | 4/5 | 0/0 | 0/0 | 0/0 |
| 2018 | 13/26 | 4/12 | 7/6 | 1/4 | 0/0 | 1/4 | 0/0 |
| 2017 | 31/29 | 15/14 | 8/8 | 3/2 | 0/0 | 5/5 | 0/0 |
| 2016 | 58/31 | 28/15 | 10/6 | 16/5 | 0/0 | 4/5 | 0/0 |
| 2015 | 44/27 | 15/12 | 10/5 | 17/8 | 0/0 | 2/2 | 0/0 |
| 2014 | 33/19 | 23/12 | 5/4 | 0/2 | 0/0 | 5/1 | 0/0 |
| 2013 | 17/11 | 3/3 | 11/6 | 0/0 | 0/0 | 3/2 | 0/0 |
| 2012 | 5/3 | 4/2 | 0/0 | 0/0 | 0/0 | 1/1 | 0/0 |
| TOTAL | 386/285 | 181/144 | 88/61 | 93/53 | 0/0 | 24/27 | 0/0 |
| porc. % | 57.53 % | 55.69 % | 59.06 % | 63.7 % | 0 % | 47.06 % | 0 % |
Stefan Kozlov / programado / pasado
| No se encontraron partidos |
Stefan Kozlov form / superficie: I. difÃcil
Stefan Kozlov / superficie: I. difÃcil
| 06.02.26 | 1/4 | Keegan Smith | Stefan Kozlov | 6-3, 6-2 |  | match details |  Cleveland Challenger | I. difÃcil |
| 04.02.26 | 2da ronda | Stefan Kozlov | Raphael Perot | 7-65, 3-6, 6-3 |  | match details | ||
| 02.02.26 | 1er ronda | Stefan Kozlov | Cedrik-Marcel Stebe | 3-6, 6-2, 6-3 | | match details | ||
| 22.01.26 | 2da ronda | Francesco Passaro | Stefan Kozlov | 6-3, 1-6, 6-1 | | match details |  Oeiras 1 | I. difÃcil |
| 20.01.26 | 1er ronda | Stefan Kozlov | Alexis Galarneau | 7-62, 2-6, 6-1 | | match details | ||
| 19.01.26 | calif. | Stefan Kozlov | Mikhail Kukushkin | 6-4, 6-2 | | match details | ||
| 18.01.26 | c 1 | Stefan Kozlov | Robert Strombachs | 6-3, 5-0, Robert Strombachs - retirado | | match details | ||
| 13.01.26 | 1er ronda | Harry Wendelken | Stefan Kozlov | 6-1, 3-6, 6-4 | | match details |  Glasgow Challenger | I. difÃcil |
| 08.01.26 | 1/4 | Toby Samuel | Stefan Kozlov | 7-61, 6-4 | | match details | Nottingham 1 | I. difÃcil |
| 07.01.26 | 2da ronda | Stefan Kozlov | Mathys Erhard | 6-2, 6-4 | | match details | ||
| 06.01.26 | 1er ronda | Stefan Kozlov | Tyler Zink | 6-4, 6-1 | | match details | ||
| 16.11.25 | fin | Stefan Kozlov | Murphy Cassone | 7-63, 7-5 | | match details | Champaign Challenger | I. difÃcil |
| 15.11.25 | 1/2 | Stefan Kozlov | Cedrik-Marcel Stebe | 6-0, 4-0, Cedrik-Marcel Stebe - retirado | | match details | ||
| 14.11.25 | 1/4 | Stefan Kozlov | Darwin Blanch | 6-2, 6-77, 6-3 | | match details | ||
| 13.11.25 | 2da ronda | Stefan Kozlov | Tyler Zink | 6-3, 6-3 | | match details | ||
| 11.11.25 | 1er ronda | Stefan Kozlov | Leo Borg | 6-1, 6-0 | | match details | ||
| 05.11.25 | 2da ronda | Jay Clarke | Stefan Kozlov | 6-2, 2-6, 6-3 | | match details | Knoxville Challenger | I. difÃcil |
| 03.11.25 | 1er ronda | Stefan Kozlov | Dominique Rolland | 7-61, 2-6, 6-1 | | match details | ||
| 31.01.25 | 1/4 | Jeff Wolf | Stefan Kozlov | 6-1, 6-3 | | match details | Cleveland Challenger | I. difÃcil |
| 30.01.25 | 2da ronda | Stefan Kozlov | Kaylan Bigun | 6-2, 6-3 | | match details | ||
| 28.01.25 | 1er ronda | Stefan Kozlov | Micah Braswell | 4-6, 6-3, 6-4 | | match details | ||
| 22.01.25 | 1er ronda | Elmer Moller | Stefan Kozlov | 6-3, 7-5 | | match details |  Quimper Challenger | I. difÃcil |
| 21.01.25 | calif. | Stefan Kozlov | Loann Massard | 4-6, 6-2, 6-4 | | match details | ||
| 20.01.25 | c 1 | Stefan Kozlov | Filip Misolic | 6-3, 6-4 | | match details | ||
| 12.11.24 | 1er ronda | Patrick Kypson | Stefan Kozlov | 1-6, 7-63, 6-4 | | match details | Champaign Challenger | I. difÃcil |
| 24.10.24 | 2da ronda | Murphy Cassone | Stefan Kozlov | Stefan Kozlov - walk over | | match details | Sioux Falls | I. difÃcil |
| 21.10.24 | 1er ronda | Stefan Kozlov | Dmitry Popko | 7-63, 4-6, 6-4 | | match details | ||
| 01.02.24 | 2da ronda | Ethan Quinn | Stefan Kozlov | 6-2, 4-6, 6-3 | | match details | Cleveland Challenger | I. difÃcil |
| 30.01.24 | 1er ronda | Stefan Kozlov | Strong Kirchheimer | 3-6, 6-1, 7-63 | | match details | ||
| 29.01.24 | calif. | Stefan Kozlov | Ezekiel Clark | 6-1, 6-4 | | match details | ||
| 28.01.24 | c 1 | Stefan Kozlov | Ajay Mahenthiran | 7-5, 6-1 | | match details | ||
| 13.11.23 | 1er ronda | Karlis Ozolins | Stefan Kozlov | 2-6, 6-3, 6-4 | | match details | Champaign Challenger | I. difÃcil |
| 05.11.23 | c 1 | Dmitry Popko | Stefan Kozlov | 6-4, 6-3 | | match details | Knoxville Challenger | I. difÃcil |
| 31.10.23 | 1er ronda | Lucas Gerch | Stefan Kozlov | 6-2, 5-7, 7-65 | | match details | Charlottesville Challenger | I. difÃcil |
| 30.10.23 | calif. | Stefan Kozlov | Pedro Rodenas | 6-3, 6-1 | | match details | ||
| 29.10.23 | c 1 | Stefan Kozlov | Adit Sinha | 6-2, 6-4 | | match details | ||
| 17.09.23 | c 1 | Jack Anthrop | Stefan Kozlov | 6-4, 4-6, 6-4 | | match details | Columbus Challenger | I. difÃcil |
| 06.02.23 | calif. | Zachary Svajda | Stefan Kozlov | 6-3, 6-4 | | match details | Dallas | I. difÃcil |
| 05.02.23 | c 1 | Stefan Kozlov | Thai Kwiatkowski | 6-3, 6-4 | | match details | ||
| 03.02.23 | 1/4 | Yibing Wu | Stefan Kozlov | 6-4, 6-1 | | match details | Cleveland Challenger | I. difÃcil |
| 02.02.23 | 2da ronda | Stefan Kozlov | Ryan Harrison | 6-4, 6-4 | | match details | ||
| 31.01.23 | 1er ronda | Stefan Kozlov | Patrick Kypson | 6-4, 7-68 | | match details | ||
| 14.11.22 | 1er ronda | Prajnesh Gunneswaran | Stefan Kozlov | 3-6, 6-3, 6-4 | | match details | Champaign Challenger | I. difÃcil |
| 11.11.22 | 1/4 | Enzo Couacaud | Stefan Kozlov | 6-3, 7-5 | | match details | Knoxville Challenger | I. difÃcil |
| 09.11.22 | 2da ronda | Stefan Kozlov | Prajnesh Gunneswaran | 6-4, 6-3 | | match details | ||
| 07.11.22 | 1er ronda | Stefan Kozlov | Martin Damm | 6-77, 6-3, 6-2 | | match details | ||
| 03.11.22 | 2da ronda | Lucas Gerch | Stefan Kozlov | 6-4, 7-63 | | match details | Charlottesville Challenger | I. difÃcil |
| 01.11.22 | 1er ronda | Stefan Kozlov | Mitchell Krueger | 7-5, 0-6, 7-61 | | match details | ||
| 18.07.22 | 1er ronda | Aleksandar Kovacevic | Stefan Kozlov | 6-3, 6-74, 6-4 | | match details | Indianapolis Challenger | I. difÃcil |
| 26.01.22 | 2da ronda | Dominic Stricker | Stefan Kozlov | 4-6, 6-4, 6-3 | | match details | Columbus Challenger | I. difÃcil |
| 24.01.22 | 1er ronda | Stefan Kozlov | Alexander Bernard | 6-2, 6-1 | | match details | ||
| 21.11.21 | fin | Stefan Kozlov | Aleksandar Vukic | 5-7, 6-3, 6-4 | | match details | Champaign Challenger | I. difÃcil |
| 20.11.21 | 1/2 | Stefan Kozlov | Jeff Wolf | 6-2, 6-3 | | match details | ||
| 19.11.21 | 1/4 | Stefan Kozlov | Mitchell Krueger | 6-4, 6-4 | | match details | ||
| 17.11.21 | 2da ronda | Stefan Kozlov | Keegan Smith | 6-3, 6-1 | | match details | ||
| 15.11.21 | 1er ronda | Stefan Kozlov | Jc Aragone | 3-6, 6-3, 6-4 | | match details | ||
| 11.11.21 | 2da ronda | Aidan Mchugh | Stefan Kozlov | 6-4, 6-4 | | match details | Knoxville Challenger | I. difÃcil |
| 09.11.21 | 1er ronda | Stefan Kozlov | Aleksandar Vukic | 6-3, 4-6, 7-5 | | match details | ||
| 07.11.21 | fin | Stefan Kozlov | Aleksandar Vukic | 6-2, 6-3 | | match details | Charlottesville Challenger | I. difÃcil |
| 06.11.21 | 1/2 | Stefan Kozlov | Jeff Wolf | 6-1, 6-71, 6-0 | | match details | ||
| 05.11.21 | 1/4 | Stefan Kozlov | Emilio Nava | 6-4, 6-2 | | match details | ||
| 03.11.21 | 2da ronda | Stefan Kozlov | Jason Murray Kubler | 6-3, 6-1 | | match details | ||
| 02.11.21 | 1er ronda | Stefan Kozlov | Bjorn Fratangelo | 7-5, 6-2 | | match details | ||
| 26.09.21 | fin | Stefan Kozlov | Max Purcell | 4-6, 6-2, 6-4 | | match details | Columbus Challenger | I. difÃcil |
| 25.09.21 | 1/2 | Stefan Kozlov | Jeff Wolf | 2-6, 6-3, 7-5 | | match details | ||
| 24.09.21 | 1/4 | Stefan Kozlov | Mikael Torpegaard | 2-6, 7-64, 6-4 | | match details | ||
| 23.09.21 | 2da ronda | Stefan Kozlov | Jason Murray Kubler | 6-2, 7-5 | | match details | ||
| 21.09.21 | 1er ronda | Stefan Kozlov | Mitchell Krueger | 6-0, 6-3 | | match details | ||
| 22.10.20 | 1/4 | Raul Brancaccio | Stefan Kozlov | 6-4, 7-5 | | match details |  M25 Hamburg | I. difÃcil |
| 21.10.20 | 2da ronda | Stefan Kozlov | Henri Squire | 6-4, 6-1 | | match details | ||
| 19.10.20 | 1er ronda | Stefan Kozlov | Stefano Napolitano | 6-4, 6-2 | | match details | ||
| 14.10.20 | 1er ronda | Jurgen Briand | Stefan Kozlov | 6-4, 6-2 | | match details | M25+H Rodez | I. difÃcil |
| 16.09.20 | 1er ronda | Daniel Cukierman | Stefan Kozlov | 1-6, 6-3, 6-1 | | match details | M25+H Plaisir | I. difÃcil |
| 04.02.20 | 1er ronda | Donald Young | Stefan Kozlov | 6-2, 6-2 | | match details | Dallas Challenger | I. difÃcil |
| 11.01.20 | 1/2 | Roberto Cid Subervi | Stefan Kozlov | 7-61, 5-7, 6-3 | | match details | Ann Arbor | I. difÃcil |
| 10.01.20 | 1/4 | Stefan Kozlov | Bjorn Fratangelo | 7-64, 6-2 | | match details | ||
| 09.01.20 | 3er ronda | Stefan Kozlov | Brandon Nakashima | 4-6, 6-3, 6-2 | | match details | ||
| 07.01.20 | 2da ronda | Stefan Kozlov | Renzo Olivo | 7-62, 6-2 | | match details | ||
| 06.01.20 | 1er ronda | Stefan Kozlov | Arthur Rinderknech | 6-3, 6-4 | | match details | ||
| 15.11.19 | 1/4 | Jeff Wolf | Stefan Kozlov | 6-2, 6-2 | | match details | Champaign Challenger | I. difÃcil |
| 14.11.19 | 3er ronda | Stefan Kozlov | Evan Song | 6-4, 4-6, 6-1 | | match details | ||
| 13.11.19 | 2da ronda | Stefan Kozlov | Denis Kudla | 6-3, 6-3 | | match details | ||
| 11.11.19 | 1er ronda | Stefan Kozlov | Simon Carr | 6-2, 4-6, 7-64 | | match details | ||
| 11.03.19 | 1er ronda | Gijs Brouwer | Stefan Kozlov | 7-5, 6-3 | | match details |  Drummondville Challenger | I. difÃcil |
| 05.02.19 | 1er ronda | Alex Rybakov | Stefan Kozlov | 6-2, 6-1 | | match details | Dallas Challenger | I. difÃcil |
| 30.01.19 | 2da ronda | Brayden Schnur | Stefan Kozlov | 7-65, 6-4 | | match details | Cleveland Challenger | I. difÃcil |
| 28.01.19 | 1er ronda | Stefan Kozlov | Louis Wessels | 6-4, 5-7, 7-5 | | match details | ||
| 07.01.19 | 1er ronda | Jeff Wolf | Stefan Kozlov | 6-2, 7-64 | | match details | Columbus Challenger | I. difÃcil |
| 04.11.18 | c 1 | Evan Song | Stefan Kozlov | 6-4, 3-6, 6-3 | | match details | Knoxville Challenger | I. difÃcil |
| 28.10.18 | c 2 | Petros Chrysochos | Stefan Kozlov | 1-6, 6-3, 6-2 | | match details | Charlottesville Challenger | I. difÃcil |
| 27.10.18 | c 1 | Stefan Kozlov | Emil Reinberg | 3-6, 7-64, 6-1 | | match details | ||
| 15.10.18 | 1er ronda | Jan Choinski | Stefan Kozlov | 6-3, 6-3 | | match details | Calgary Challenger | I. difÃcil |
| 30.01.18 | 1er ronda | Frances Tiafoe | Stefan Kozlov | 6-2, 7-65 | | match details | Dallas Challenger | I. difÃcil |
| 08.11.17 | 1er ronda | Tim Smyczek | Stefan Kozlov | 7-63, 6-2 | | match details | Knoxville Challenger | I. difÃcil |
| 04.11.17 | 1/2 | Tim Smyczek | Stefan Kozlov | 6-3, 2-6, 6-2 | | match details | Charlottesville Challenger | I. difÃcil |
| 03.11.17 | 1/4 | Stefan Kozlov | Denis Kudla | 6-4, 6-3 | | match details | ||
| 02.11.17 | 2da ronda | Stefan Kozlov | Liam Broady | 6-4, 4-6, 6-4 | | match details | ||
| 31.10.17 | 1er ronda | Stefan Kozlov | Thai Kwiatkowski | 6-1, 3-6, 6-3 | | match details | ||
| 27.11.16 | fin | Stefan Kozlov | Tennys Sandgren | 6-1, 2-6, 6-2 | | match details | Columbus Challenger | I. difÃcil |
| 26.11.16 | 1/2 | Stefan Kozlov | Sam Barry | 7-5, 7-66 | | match details | ||
| 25.11.16 | 1/4 | Stefan Kozlov | Kevin King | 6-2, 7-5 | | match details | ||
| 23.11.16 | 2da ronda | Stefan Kozlov | Dominik Koepfer | 6-3, 6-4 | | match details | ||
| 22.11.16 | 1er ronda | Stefan Kozlov | Jose Statham | 6-2, 7-66 | | match details | ||
| 16.11.16 | 2da ronda | Michael Mmoh | Stefan Kozlov | 6-1, 6-4 | | match details | Champaign Challenger | I. difÃcil |
| 15.11.16 | 1er ronda | Stefan Kozlov | Austin Krajicek | 6-4, 7-63 | | match details | ||
| 12.11.16 | 1/2 | Michael Mmoh | Stefan Kozlov | 6-0, 6-3 | | match details | Knoxville Challenger | I. difÃcil |
| 11.11.16 | 1/4 | Stefan Kozlov | Edward Corrie | 6-4, 6-3 | | match details | ||
| 10.11.16 | 2da ronda | Stefan Kozlov | Tennys Sandgren | 6-2, 6-4 | | match details | ||
| 08.11.16 | 1er ronda | Stefan Kozlov | Sam Barry | 6-4, 7-5 | | match details | ||
| 16.03.16 | 1er ronda | Renzo Olivo | Stefan Kozlov | 6-3, 1-6, 7-5 | | match details | Drummondville Challenger | I. difÃcil |
| 13.03.16 | fin | Stefan Kozlov | Lloyd Glasspool | 4-6, 6-4, 6-4 | | match details | Canada F2 | I. difÃcil |
| 12.03.16 | 1/2 | Stefan Kozlov | Filip Peliwo | 7-5, 7-5 | | match details | ||
| 11.03.16 | 1/4 | Stefan Kozlov | Hugo Nys | 6-4, 7-65 | | match details | ||
| 10.03.16 | 2da ronda | Stefan Kozlov | Tim Van Rijthoven | 7-67, 6-2 | | match details | ||
| 09.03.16 | 1er ronda | Stefan Kozlov | Tyler Hochwalt | 6-2, 6-2 | | match details | ||
| 04.03.16 | 1/4 | Tim Van Rijthoven | Stefan Kozlov | 6-2, 3-6, 6-4 | | match details | Canada F1 | I. difÃcil |
| 03.03.16 | 2da ronda | Stefan Kozlov | Kaichi Uchida | 4-6, 6-3, 6-3 | | match details | ||
| 01.03.16 | 1er ronda | Stefan Kozlov | Andrew Carter | 6-1, 3-0, Andrew Carter - retirado | | match details | ||
| 30.01.16 | c 1 | Ryan Haviland | Stefan Kozlov | 6-4, 1-6, 6-2 | | match details | Dallas Challenger | I. difÃcil |
| 23.11.15 | 2da ronda | Cameron Norrie | Stefan Kozlov | 6-3, 4-6, 6-3 | | match details | USA F34 | I. difÃcil |
| 23.11.15 | 1er ronda | Stefan Kozlov | Damon Gooch | 6-0, 6-3 | | match details | ||
| 15.11.15 | c 2 | Clay Thompson | Stefan Kozlov | 6-1, 6-3 | | match details | Champaign Challenger | I. difÃcil |
| 14.11.15 | c 1 | Stefan Kozlov | David Volfson | 6-3, 7-5 | | match details | ||
| 12.11.15 | 2da ronda | Dennis Novikov | Stefan Kozlov | 6-3, 7-64 | | match details | Knoxville Challenger | I. difÃcil |
| 11.11.15 | 1er ronda | Stefan Kozlov | Malek Jaziri | 6-1, 6-2 | | match details | ||
| 06.11.15 | 1/4 | Noah Rubin | Stefan Kozlov | 6-4, 6-4 | | match details | Charlottesville Challenger | I. difÃcil |
| 05.11.15 | 2da ronda | Stefan Kozlov | David Rice | 2-6, 6-4, 6-2 | | match details | ||
| 03.11.15 | 1er ronda | Stefan Kozlov | Collin Altamirano | 6-3, 6-0 | | match details | ||
| 02.11.15 | calif. | Stefan Kozlov | Marcus Willis | 4-6, 6-2, 6-2 | | match details | ||
| 01.11.15 | c 2 | Stefan Kozlov | Clay Thompson | 6-4, 6-2 | | match details | ||
| 31.10.15 | c 1 | Stefan Kozlov | Luca Margaroli | 6-72, 6-1, 6-3 | | match details | ||
| 19.10.15 | 1/2 | Stefan Kozlov | Adrian Sikora | 7-63, 6-3 | | match details |  Belarus F4 | I. difÃcil |
| 19.10.15 | 1er ronda | Stefan Kozlov | Alexander Zgirovsky | 6-0, 6-3 | | match details | ||
| 19.10.15 | fin | Stefan Kozlov | Dzmitry Zhyrmont | 6-1, 7-61 | | match details | ||
| 19.10.15 | 2da ronda | Stefan Kozlov | Pavel Kotov | 6-1, 3-6, 6-2 | | match details | ||
| 19.10.15 | 1/4 | Stefan Kozlov | Vladimir Korolev | 6-2, 4-6, 6-4 | | match details | ||
| 12.10.15 | 2da ronda | Stefan Kozlov | Ivan Davydov | 5-7, 6-2, 6-2 | | match details | Belarus F3 | I. difÃcil |
| 12.10.15 | 1/4 | Stefan Kozlov | Pavel Kotov | 6-3, 6-4 | | match details | ||
| 12.10.15 | fin | Dzmitry Zhyrmont | Stefan Kozlov | 6-1, 6-4 | | match details | ||
| 12.10.15 | 1/2 | Stefan Kozlov | Baris Erguden | 6-2, 6-0 | | match details | ||
| 12.10.15 | 1er ronda | Stefan Kozlov | Kirill Komarov | 6-2, 6-4 | | match details | ||
| 05.10.15 | 1er ronda | Ronan Joncour | Stefan Kozlov | 6-3, 1-6, 6-3 | | match details | France F21 | I. difÃcil |
| 22.09.15 | 1er ronda | Dennis Novikov | Stefan Kozlov | 7-62, 7-63 | | match details | Columbus Challenger | I. difÃcil |
| 09.02.15 | 1er ronda | Jared Donaldson | Stefan Kozlov | 7-5, 6-0 | | match details | Memphis | I. difÃcil |
| 28.10.14 | 1er ronda | Peter Torebko | Stefan Kozlov | 6-3, 7-62 | | match details | Charlottesville Challenger | I. difÃcil |
| 20.10.14 | 1er ronda | Martin Klizan | Stefan Kozlov | 6-3, 6-3 | | match details |  Valencia | I. difÃcil |