Jan Kumstat vs Alexander Vasilev Head-to-Head Stats, Results & Performance Comparison
Wojtek Kolan
HEAD TO HEAD
J. Kumstat vs A. Vasilev
Jan Kumstat
CZE
w
l
w
l
w
l
w
w
l
l
0
Win
0
Played
0
Win
18
Age
18
-
Height
-
701
C. Rank
0
695
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-
Alexander Vasilev
BUL
w
w
l
l
w
l
w
w
w
l
0
Win
0
Played
0
Win
18
Age
18
-
Height
-
701
C. Rank
0
695
Best Rank
0
0
Total Titles
0
0
YTD Titles
0
$0
Career Money
$0
-
Plays
-
Head-to-head: Kumstat 0 - 0 Vasilev
| Players | Head To Head Match Wins |
|---|---|
| Kumstat | 0 |
| Vasilev | 0 |
Last 0 H2H Matches:
No past h2h happened.
J. Kumstat vs A. Vasilev H2H Profile
| Stats | ||
|---|---|---|
| $0 | Career Prize Money | $0 |
| 50.00% (25-25) | Career Total W/L | 51.85% (14-13) |
| 0% (0-0) | YTD Win/Loss | 100.00% (2-0) |
J. Kumstat vs A. Vasilev Match Preview:
- Second serve performance recent form: In recent form (last 6 months), Jan Kumstat has won 43.16% of points on their second serve, while Alexander Vasilev has won 40.52%. There is a high correlation between this stat and match prediction accuracy.
- Return game stats recent form: Return stats show Jan Kumstat, in recent form, has won 49.73% of their opponent's second serve points, while Alexander Vasilev has won 50.26%. The same stats for first serve returns are 26.41% and 24.66% respectively and this has a high correlation to pick who is favored in this H2H matchup.
- Under pressure analysis: Jan Kumstat has saved 57.44% of breakpoints in recent form, whereas Alexander Vasilev has saved 55.43% which is a useful statistic for in-game betting predictions.
- Performance overview: Over the last year Jan Kumstat has won 56.41% of matches played (W/L 22/17), with Alexander Vasilev winning 61.54% (W/L 8/5) that gives us an overall head-to head prediction overview.
- Best surface: Jan Kumstat has their best career surface win % on Clay, winning 53% (W/L 17/15), and worse career win % on Hard, winning 45% (W/L 5/6). Alexander Vasilev has their best career surface win % on Clay, winning 53% (W/L 12/10), and worse career win % on Hard, winning 40% (W/L 2/3).
- Player level: In the last year, Jan Kumstat has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 58.06% of matches (W/L 18/13), where as Alexander Vasilev has played most of their matches on the Futures/Satellites/ITF tournaments $10K, winning 62.50% of matches (W/L 5/3). When comparing stats between players to predict the favorite, it is of course all relative to the event level they have been playing at.
- Opponent quality stats: Over the last 12 months, Jan Kumstat has played against opponents with an average rank of 197.92 while Alexander Vasilev has played against players with an average rank of 503.31.
- Deciding set performance vs all players: If you are interested in live predictions and betting, if this match goes into a deciding set, Jan Kumstat has won 56% of deciding sets over the last 12 months, while Alexander Vasilev has won 0% in all matches played on tour.
- Break point conversion: In recent form, Jan Kumstat has converted 37.27% of breakpoint opportunities, and Alexander Vasilev has converted 38.89% of their chances to break their opponents serve. A telling stat for in-game live betting tips when either player has a breakpoint opportunity.
Jan Kumstat vs Alexander Vasilev Editorial Preview By TennisTipster88.
Recent Performance Stats
2nd Serve Win %: Kumstat 46%, Vasilev 42%.
Opp 2nd Serve Pts Won: Kumstat 52%, Vasilev 51%.
Break Points Saved %: Kumstat 57%, Vasilev 58%.
J. Kumstat Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
 Lyon Challenger - 10-11-2025 | ||||
R1  Yannick HanfmannY. Hanfmann | L | 6-1 6-3 | ||
 M25 Monastir - 03-11-2025 | ||||
R1  Tiago PereiraT. Pereira | L | 6-2 2-6 6-4 | ||
Q3  Alaa TrifiA. Trifi | W | 6-7(5) 6-3 10-8 | ||
Q2  Vladimir NikolenkoV. Nikolenko | W | 6-1 6-0 | ||
| Monastir Challenger - 27-10-2025 | ||||
R2  Arthur GeaA. Gea | L | 6-3 6-4 | ||
A. Vasilev Recent Matches Played
| OPPONENT | RESULT | SCORE | H2H | |
|---|---|---|---|---|
| M15 Heraklion - 29-09-2025 | ||||
R2  Ioannis XilasI. Xilas | L | 6-2 6-2 | ||
R1  Makoto OchiM. Ochi | W | 7-5 6-1 | ||
 Davis Cup, Group I, 1R, BUL-FIN 3-2 - 08-09-2025 | ||||
Rubber 5  Emil RuusuvuoriE. Ruusuvuori | W | 7-6(5) 6-4 | ||
Rubber 1 Otto VirtanenO. Virtanen | W | 6-3 7-5 | ||
| U.S. Open (juniors) - 01-09-2025 | ||||
F Ivan IvanovI. Ivanov | L | 7-5 6-3 | ||
J. Kumstat vs A. Vasilev Stats Breakdown Vs All H2H Opponents
| Stats | ||
|---|---|---|
| 50.00% (25/25) | YTD Win/Loss | 51.85% (14/13) |
| 47.27% (52/58) | Sets Win/Loss | 50.00% (28/28) |
| 48.44% (512/545) | Games Win/Loss | 48.86% (258/270) |
| 45.45% (5/6) | Hard Win/Loss | 40.00% (2/3) |
| 53.13% (17/15) | Clay Win/Loss | 54.55% (12/10) |
| 42.86% (3/4) | Indoor Hard W/L | 0% (0/0) |
| 0.36 | Aces Per Game | 0.16 |
| 188 | Aces Total | 41 |
| 0.22 | Double Faults Per Game | 0.52 |
| 112 | Total Double Faults | 133 |
| 1:24:53 | Average Match Time | 1:24:17 |
| 193.58 | Average Opponent Rank | 512.89 |
| 54% (1635/3007) | 1st Serve % | 61% (901/1469) |
| 70% (1148/1635) | 1st Serve Win % | 65% (590/901) |
| 46% (629/1372) | 2nd Serve Win % | 44% (249/568) |
| 37% (118/315) | Break Points Won % (Total) | 45% (62/138) |
| 39% (1219/3094) | Return Points Win % | 41% (574/1405) |
| 0% (0/0) | Cups W/L | 100.00% (2/0) |
| 28.57% (4/10) | Challenger W/L | 33.33% (1/2) |
| 58.33% (21/15) | Futures W/L | 50.00% (11/11) |
| 49% (23/47) | Best of 3 Sets Win % | 48% (12/25) |
| 0% (0/1) | Best of 5 Sets Win % | 0% (0/0) |
| 71% (10/14) | Tiebreaks Win % (Total) | 67% (4/6) |
| 64% (7/11) | Deciding Set Win % | 25% (1/4) |
| 95% (21/20) | 1st Set Won, Won Match | 80% (15/12) |
| 5% (21/1) | 1st Set Won, Lost Match | 20% (15/3) |
| 14% (29/4) | 1st Set Lost, Won Match | 8% (12/1) |
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