Casablanca 
Bucharest 
Bogota 
Stuttgart 
Oeiras 
La Bisbal Demporda 
Antalya 3 
Campinas 
Barletta 
Davis Сup Group I Tennis. Played Kozlov Stefan. Season 2025
Country 
USA. Ranking ATP 404.
USA. Ranking ATP 404. Cuernavaca | ||||
|---|---|---|---|---|
| 01.04.2025 | First round | Tirante Thiago Agustin — Kozlov Stefan | 1:2 (6:4, 4:6, 2:6) |
|
| ATP - Abierto Mexicano Telcel | ||||
| 24.02.2025 | Qialification final | Kozlov Stefan — Basavareddy Nishesh | 0:2 (2:6, 4:6) |
|
| 23.02.2025 | Qualifications - 1st round | Hijikata Rinky — Kozlov Stefan | — — |
|
| ATP - Delray Beach International Tennis Championships | ||||
| 08.02.2025 | Qualifications - 1st round | Svajda Zachary — Kozlov Stefan | 2:0 (6:3, 6:0) |
|
| Cleveland | ||||
| 01.02.2025 | Quarter-finals | Wolf Jeff — Kozlov Stefan | 2:0 (6:1, 6:3) |
|
| 28.01.2025 | First round | Braswell Micah — Kozlov Stefan | 1:2 (6:4, 3:6, 4:6) |
|
 Quimper | ||||
| 22.01.2025 | First round | Moller Elmer — Kozlov Stefan | 2:0 (6:3, 7:5) |
|
| 20.01.2025 | Qualifications - 1st round | Kozlov Stefan — Misolic Filip | 2:0 (6:3, 6:4) |
|