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: Césped
Stefan Kozlov / superficie: Césped
| 07.07.25 | 1er ronda | Mitchell Krueger | Stefan Kozlov | 6-1, 3-6, 6-1 |  | match details |  Newport Challenger | Césped |
| 11.07.22 | 1er ronda | Steve Johnson | Stefan Kozlov | 7-5, 6-3 | | match details | Newport | Césped |
| 28.06.22 | 1er ronda | Diego Sebastian Schwartzman | Stefan Kozlov | 6-3, 6-2, 6-2 | | match details |  London | Césped |
| 23.06.22 | calif. | Dennis Novak | Stefan Kozlov | 7-5, 6-4, 5-7, 3-6, 6-3 | | match details | ||
| 22.06.22 | c 2 | Stefan Kozlov | Dominic Stricker | 7-69, 4-6, 6-3 |  | match details | ||
| 20.06.22 | c 1 | Stefan Kozlov | Evan Furness | 7-5, 6-3 | | match details | ||
| 11.06.22 | c 1 | Steve Johnson | Stefan Kozlov | 6-0, 6-0 | | match details | London | Césped |
| 04.06.22 | c 1 | Matthew Ebden | Stefan Kozlov | 6-4, 6-4 | | match details |  's-Hertogenbosch | Césped |
| 02.06.22 | 2da ronda | Brandon Nakashima | Stefan Kozlov | 6-4, 6-3 | | match details | Surbiton Challenger | Césped |
| 01.06.22 | 1er ronda | Stefan Kozlov | Mats Moraing | 6-3, 7-64 | | match details | ||
| 26.06.18 | c 2 | Yannick Maden | Stefan Kozlov | 6-1, 6-3 | | match details | Wimbledon | Césped |
| 25.06.18 | c 1 | Stefan Kozlov | Dustin Brown | 6-3, 6-1 | | match details | ||
| 17.06.18 | c 1 | Brydan Klein | Stefan Kozlov | 4-6, 6-1, 7-5 | | match details | Ilkley Challenger | Césped |
| 12.06.18 | 1er ronda | Christopher Eubanks | Stefan Kozlov | 6-3, 6-3 | | match details | Nottingham Challenger | Césped |
| 02.06.18 | c 1 | Daniel Evans | Stefan Kozlov | 6-1, 6-0 | | match details | Surbiton Challenger | Césped |
| 17.07.17 | 1er ronda | Adrian Menendez-Maceiras | Stefan Kozlov | 6-2, 7-65 | | match details | Newport | Césped |
| 28.06.17 | c 2 | Dennis Novikov | Stefan Kozlov | 7-5, 6-2 | | match details | London | Césped |
| 26.06.17 | c 1 | Stefan Kozlov | Marc Polmans | 6-4, 7-5 | | match details | ||
| 22.06.17 | 2da ronda | Marin Cilic | Stefan Kozlov | 6-0, 6-4 | | match details | London | Césped |
| 20.06.17 | 1er ronda | Stefan Kozlov | Steve Johnson | 3-6, 6-1, 6-1 | | match details | ||
| 18.06.17 | calif. | Stefan Kozlov | Pierre-Hugues Herbert | 6-4, 6-2 | | match details | ||
| 17.06.17 | c 1 | Stefan Kozlov | Kenny de Schepper | 6-74, 6-3, 6-4 | | match details | ||
| 15.06.17 | 2da ronda | Ivo Karlovic | Stefan Kozlov | 6-4, 6-1 | | match details | 's-Hertogenbosch | Césped |
| 13.06.17 | 1er ronda | Stefan Kozlov | Dustin Brown | 6-3, 3-6, 6-3 | | match details | ||
| 08.06.17 | 1er ronda | Akira Santillan | Stefan Kozlov | 6-2, 2-6, 6-3 | | match details | Surbiton Challenger | Césped |
| 13.07.16 | 2da ronda | Donald Young | Stefan Kozlov | 6-0, 6-4 | | match details | Newport | Césped |
| 12.07.16 | 1er ronda | Stefan Kozlov | Benjamin Becker | 6-1, 6-2 | | match details | ||
| 21.06.16 | c 1 | Daniil Medvedev | Stefan Kozlov | 6-2, 6-2 | | match details | London | Césped |
| 11.06.16 | c 1 | Vasek Pospisil | Stefan Kozlov | 7-65, 7-66 | | match details | London | Césped |
| 10.06.16 | 1/4 | Sam Querrey | Stefan Kozlov | 6-3, 6-0 | | match details | 's-Hertogenbosch | Césped |
| 08.06.16 | 2da ronda | Stefan Kozlov | Steve Johnson | 6-3, 6-4 | | match details | ||
| 06.06.16 | 1er ronda | Stefan Kozlov | Yoshihito Nishioka | 6-1, 2-6, 6-3 | | match details | ||
| 02.06.16 | 2da ronda | Denis Kudla | Stefan Kozlov | 6-4, 6-3 | | match details | Manchester Challenger | Césped |
| 01.06.16 | 1er ronda | Stefan Kozlov | Adrien Bossel | 6-4, 6-4 | | match details | ||
| 13.06.15 | c 1 | Daniel Brands | Stefan Kozlov | 6-2, 6-4 | | match details | Ilkley Challenger | Césped |
| 07.06.15 | calif. | Frederik Nielsen | Stefan Kozlov | 6-2, 4-6, 6-3 | | match details | Surbiton Challenger | Césped |
| 06.06.15 | c 1 | Stefan Kozlov | Purav Raja | 2-6, 6-4, 6-2 | | match details | ||
| 06.06.15 | c 2 | Stefan Kozlov | Sean Thornley | 3-6, 6-3, 6-4 | | match details | ||
| 06.07.14 | fin | Noah Rubin | Stefan Kozlov | 6-4, 4-6, 6-3 | | match details | Wimbledon (juniors) | Césped |
| 05.07.14 | 1/2 | Stefan Kozlov | Johan Sebastien Tatlot | 6-3, 7-67 | | match details | ||
| 04.07.14 | 1/4 | Stefan Kozlov | Hyeon Chung | 6-4, 7-66 | | match details | ||
| 03.07.14 | 3er ronda | Stefan Kozlov | Naoki Nakagawa | 6-3, 7-62 | | match details | ||
| 02.07.14 | 2da ronda | Stefan Kozlov | Pedro Martinez Portero | 6-0, 6-2 | | match details | ||
| 01.07.14 | 1er ronda | Stefan Kozlov | Rafael Matos | 6-4, 6-1 | | match details | ||
| 08.07.13 | 1er ronda | Michal Przysiezny | Stefan Kozlov | 6-3, 6-79, 6-4 | | match details | Newport | Césped |
| 04.07.13 | 1/4 | Kyle Edmund | Stefan Kozlov | 4-6, 6-1, 6-3 | | match details | Wimbledon (juniors) | Césped |
| 03.07.13 | 3er ronda | Stefan Kozlov | Alexander Zverev | 1-6, 6-4, 4-0, Alexander Zverev - retirado | | match details | ||
| 02.07.13 | 2da ronda | Stefan Kozlov | Lucas Gomez | 6-2, 6-3 | | match details | ||
| 01.07.13 | 1er ronda | Stefan Kozlov | Joshua Sapwell | 6-3, 6-3 | | match details | ||
| 03.07.12 | 2da ronda | Liam Broady | Stefan Kozlov | 6-73, 6-0, 6-4 | | match details | Wimbledon (juniors) | Césped |
| 02.07.12 | 1er ronda | Stefan Kozlov | Daniel Masur | 5-7, 6-2, 6-1 | | match details |