Player
🇺🇸 Stefan Kozlov
Career matches 610
Wins 340
Losses 270
Win rate 55.7%
Elo (current) 2,170 2026-04-22
Surface breakdown
Hard 56.9% 252W – 191L (443 matches)
Clay 56.8% 75W – 57L (132 matches)
Grass 37.1% 13W – 22L (35 matches)
Career form (last 10)
WLLWWWLLLW
Newest on left. Hover for details.
Head-to-head (top 5 opponents)
| Opponent | Played | W | L | W% |
|---|---|---|---|---|
| J.J. Wolf | 10 | 5 | 5 | 50% |
| Mitchell Krueger | 10 | 5 | 5 | 50% |
| Tennys Sandgren | 9 | 6 | 3 | 67% |
| Steve Johnson | 8 | 5 | 3 | 63% |
| Darian King | 7 | 1 | 6 | 14% |
Recent matches
101–150 of 610
Aliases
6
atp
- S. Kozlov
- Stefan Kozlov (ke64)
atp_short
- S. Kozlov (ke64)
itf
- Stefan Kozlov (800335858)
sackmann
- Stefan Kozlov (111578)
variant
- S Kozlov