ATP Tour
Jan Kumstat
Back after 6w off#191
ATP World Ranking - 302 pts
Next Match
1st RoundHard
Player Archetype
💥 Big Hitter
Overpowers opponents with raw shot speed and aggressive ball-striking. Generates winners from both wings and keeps points short with high-risk, high-reward tennis.
Power groundstrokesHigh winner countAggressive shotsShort rallies
Strong against
🛡️ The Spoiler60%
🧱 The Wall57%
Weak against
🤖 Servebot49%
🏹 Frontrunner51%
Player Overview
Age
19
Height
6'5" (196 cm)
Weight
83 kg (183 lbs)
Plays
Right-Handed, Two-Handed BH
Career-High Ranking
#184 (2026-09-14)
Career
56
Wins
31
Losses
64.4%
Win %
0
Titles
Win / Loss by Year
Career record broken down by surface
| Year | Summary | Clay | Hard | Grass |
|---|---|---|---|---|
| 2026 | 40/14 | 30/8 | 10/6 | - |
| 2025 | 17/10 | 14/5 | 3/5 | - |
| 2024 | 0/3 | 0/3 | - | - |
| 2023 | 0/1 | 0/1 | - | - |
| 2022 | 0/2 | 0/1 | 0/1 | - |
| Career | 57/30 | 44/18 | 13/12 | - |
Serve & Return
Averages · Last 90 days (22 matches)
Serve
1st Serve In-
1st Serve Pts Won-
2nd Serve Pts Won-
Break Points Saved-
Aces / Match7.7
Double Faults / Match2.6
Avg 1st Serve-
Max Serve Speed-
Return
1st Return Pts Won-
2nd Return Pts Won-
Break Points Converted-
Rally
Winners / Match-
Unforced Errors / Match-
Net Pts Won %-
Total Pts Won %-
Prop Research
Career hit rates on common betting markets · 78 serve-stat matches
Jan Kumstat has served 3+ aces in 82.1% of career matches and 5+ aces in 61.5%.
Ace Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 100% | 78/78 |
| 3 or more | 82% | 64/78 |
| 5 or more | 62% | 48/78 |
| 10 or more | 21% | 16/78 |
| 15 or more | 3% | 2/78 |
| 20 or more | 1% | 1/78 |
Double Fault Totals
| Outcome | Hit rate | Matches |
|---|---|---|
| 1 or more | 81% | 63/78 |
| 2 or more | 72% | 56/78 |
| 3 or more | 50% | 39/78 |
| 5 or more | 14% | 11/78 |
| 8 or more | 1% | 1/78 |
| 10 or more | 1% | 1/78 |
Total Sets
| Outcome | Hit rate | Matches |
|---|---|---|
| 2 Sets | 73% | 61/84 |
| 3 Sets | 27% | 23/84 |
Set Betting
| Outcome | Hit rate | Matches |
|---|---|---|
| 2-0 | 49% | 41/84 |
| 2-1 | 18% | 15/84 |
| 1-2 | 10% | 8/84 |
| 0-2 | 24% | 20/84 |
Match/Set Winner
| Outcome | Hit rate | Matches |
|---|---|---|
| 1st Set Winner | 61% | 51/84 |
| 2nd Set Winner | 64% | 54/84 |
| 3rd Set Winner | 65% | 15/23 |
Recent Matches
Last 10 results
FormLWWWW
| Date | Tournament | Round | Opponent | Surface | Score | Result |
|---|---|---|---|---|---|---|
| Aug 31, 2026 | Como Challenger | 1st Round | Juan Pablo Varillas | Clay | 46 36 | L |
| Aug 22, 2026 | Prague Challenger | Final | Chun-Hsin Tseng | Clay | 57 63 60 | W |
| Aug 21, 2026 | Prague Challenger | Semifinals | Filip Cristian Jianu | Clay | 61 64 | W |
| Aug 20, 2026 | Prague Challenger | Quarterfinals | Maxim Mrva | Clay | 61 75 | W |
| Aug 19, 2026 | Prague Challenger | 2nd Round | Sumit Nagal | Clay | 75 63 | W |
| Aug 18, 2026 | Prague Challenger | 1st Round | Petr Brunclik | Clay | 75 61 | W |
| Aug 16, 2026 | Hamburg Challenger | Final | Marvin Moeller | Clay | 46 76 75 | W |
| Aug 15, 2026 | Hamburg Challenger | Semifinals | Matheus Pucinelli De Almeida | Clay | 64 57 62 | W |
| Aug 14, 2026 | Hamburg Challenger | Quarterfinals | Carlos Taberner | Clay | W | |
| Aug 13, 2026 | Hamburg Challenger | 2nd Round | Max Houkes | Clay | 64 76 | W |
Jan Kumstat FAQ
Jan Kumstat is ranked #191 on the ATP tour with 302 ranking points. The career-high ranking is #184, reached in 2026.
Jan Kumstat is from Czech Republic.
Jan Kumstat is listed at 6'5" (196 cm). Listed weight is 83 kg (183 lb).
Jan Kumstat is 19 years old.
Jan Kumstat plays right-handed with a two-handed backhand.
Jan Kumstat has a career win-loss record of 56-31 (64% win rate).
Jan Kumstat: a career-high ranking of #184 in 2026 and 56 career wins.
Jan Kumstat's strongest surface by win rate is clay, with a 44-18 record (71%). Full career splits: hard 13-12 (52%) and clay 44-18 (71%).
Jan Kumstat has won 9 of the last 10 completed matches (90%).
Jan Kumstat is scheduled to face Edas Butvilas at Olbia Challenger on Oct 13, 2026.
Jan Kumstat plays next on Oct 13, 2026 at Olbia Challenger (1st Round, hard courts), against Edas Butvilas. Scheduled times move, so check the match page for the latest.