| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 2025 | 0/2 | 0/0 | 0/1 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2024 | 4/2 | 0/0 | 4/2 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2017 | 1/2 | 1/1 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2016 | 0/1 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 5/7 | 1/1 | 4/5 | 0/1 | 0/0 | 0/0 | 0/0 |
| porc. % | 41.67 % | 50 % | 44.44 % | 0 % | 0 % | 0 % | 0 % |
Boris Kozlov/Stefan Kozlov / programado / pasado
| No se encontraron partidos |
Boris Kozlov/Stefan Kozlov form / año 2017
Boris Kozlov/Stefan Kozlov / año 2017
| 19.10.17 | 1/4 | Brydan Klein/Joe Salisbury | Boris Kozlov/Stefan Kozlov | 7-60, 4-6, 10-3 |  | match details |  Las Vegas | Difícil |
| 18.10.17 | 1er ronda | Boris Kozlov/Stefan Kozlov | Cameron Norrie/Alex Rybakov | 6-4, 6-4 |  | match details | ||
| 23.01.17 | 1er ronda | Facundo Arguello/Juan Ignacio Londero | Boris Kozlov/Stefan Kozlov | 6-4, 6-4 | | match details | USA F5 | Arcilla |