ATP Tour
ATP World Ranking - 49 pts
🪃 Counterpuncher
Turns defense into offense. Absorbs pace, redirects with precision, and thrives in long rallies by letting opponents beat themselves. Excels at converting break points when they matter most.
Strong against
Weak against
Age
19
Height
6'5" (196 cm)
Weight
83 kg (183 lbs)
Plays
Right-Handed, Two-Handed BH
Career-High Ranking
#657 (2026-02-02)
8
Wins
12
Losses
40%
Win %
0
Titles
Career record broken down by surface
| Year | Summary | Clay | Hard | Grass |
|---|---|---|---|---|
| 2026 | 2/1 | 2/1 | - | - |
| 2025 | 6/5 | 3/2 | 3/3 | - |
| 2024 | 0/3 | 0/3 | - | - |
| 2023 | 0/1 | 0/1 | - | - |
| 2022 | 0/2 | 0/1 | 0/1 | - |
| Career | 8/12 | 5/8 | 3/4 | - |
Averages · Last 90 days (3 matches)
Serve
Return
Rally
Last 10 results
| Date | Tournament | Round | Opponent | Surface | Score | Result |
|---|---|---|---|---|---|---|
| Jun 2, 2026 | Unicredit Czech Open | Round of 32 | Vitaliy Sachko | Clay | 75 06 36 | L |
| Jun 1, 2026 | Unicredit Czech Open | 2nd Round Qualifying | Oleg Prihodko | Clay | 64 67 62 | W |
| May 31, 2026 | Unicredit Czech Open | 1st Round Qualifying | JiSung Nam | Clay | 64 64 | W |
| Nov 27, 2025 | Athens | Round of 16 | Michael Geerts | Hard | 67 16 | L |
| Nov 25, 2025 | Athens | Round of 32 | Maks Kasnikowski | Hard | 75 46 61 | W |
| Nov 24, 2025 | Athens | 2nd Round Qualifying | Andrin Casanova | Hard | 60 61 | W |
| Nov 11, 2025 | Lyon (Décines-Charpieu) | Round of 32 | Yannick Hanfmann | Hard | 16 36 | L |
| Oct 30, 2025 | Monastir | Round of 16 | Arthur Gea | Hard | 36 46 | L |
| Oct 28, 2025 | Monastir | Round of 32 | Aziz Ouakaa | Hard | 26 62 63 | W |
| May 6, 2025 | Prague | Round of 32 | Filip Misolic | Clay | 46 57 | L |
Unicredit Czech Open
Jan Kumstat is currently ranked #679 in the ATP singles rankings with 49 points.
Jan Kumstat (ATP #679) has a career win-loss record of 8-12 (40% win rate) and has won 0 ATP titles.
Smashrs tracks Jan's upcoming matches with AI-powered predictions across six independent models. Our confidence score reflects the degree of agreement between models - a higher score means stronger consensus. Check back before each match for the latest prediction.
