Jan Kumstat and Alex Martinez will square off in the qualifications of the Prague Challenger for the 1st time in their career. They are scheduled to compete on Monday at 11:30 am on COURT 2. In the following paragraphs, you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Alex Martinez who should win in 2 sets.
As per the initial odds, Alex Martinez is the pick to win this match.
Alex Martinez -> 1.39
Jan Kumstat -> 2.81
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Prediction and head to head Jan Kumstat vs. Alex Martinez
There is no head to head record between Jan Kumstat and Alex Martinez since this will be the first time that they will clash against each other in the main tour.
Jan Kumstat
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 7-9 | 2-3 | 5-5 | 0-0 | 0-0 | 0-1 |
| 2024 | 3-4 | 0-0 | 0-3 | 3-1 | 0-0 | 0-0 |
Currently unranked, Jan reached the qualifications after beating Henri Squire 5-7 7-6(5) 6-1.
In the qualifications against Squire, The Czech recovered from a 1-set down deficit before winning (5-7 7-65 6-1). During the match, Kumstat scored 111 points vs Squire’s 98. The Czech was pretty aggressive to blast 27 winners.
Regarding the service games, Kumstat scored 5 aces and he committed only 6 double faults. Overall, Jan Kumstat was extremely effective on serve to win 79% (27/34) of his 1st serve and 57% (37/65) on the second serve. However, this didn’t prevent his to concede the serve 3 times. The Czech broke Squire 4 times after converting 44% of his break points (4/9).
Kumstat has a weak match record in the last 2 years having won 39% of his matches (7-11). 2-3 on clay in 2025. In connection with his performance on the same surface of this event, Kumstat has a compiled2-6 win-loss record in the last 2 years on clay.
Kumstat has a composed 4-7 win-loss record in 2025, 2-3 on clay (See FULL STATS).
Previously in the Prague Challenger
Alex Martinez
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 12-12 | 4-3 | 8-8 | 0-1 | 0-0 | 0-0 |
| 2024 | 16-10 | 11-6 | 1-2 | 4-2 | 0-0 | 0-0 |
| 2023 | 22-9 | 11-5 | 9-3 | 2-1 | 0-0 | 0-0 |
| 2022 | 21-10 | 4-4 | 13-5 | 4-1 | 0-0 | 0-0 |
| 2021 | 9-5 | 5-2 | 4-2 | 0-1 | 0-0 | 0-0 |
Ranked no. 548, Martinez got to the qualifications after beating Max Houkes 6-2 7-6(5).
In the qualifications, Martinez had a good straight sets win against Houkes (6-2 7-65). During the match Martinez scored 75 points vs Houkes’s 63. The Spaniard was extremely aggressive to blast 32 winners.
Talking about serving, Martinez struck 3 aces and he committed only 2 double faults. Alex Martinez lost the serve twice and he saved 3 break points. Furthermore, Martinez put 61% of his first serves in, winning 73% (32/44) of the points behind his 1st serve and 46% (13/28) on the 2nd serve. Alex broke Houkes 4 times after converting 57% of his break points (4/7).
The Spaniard has a compiled 12-9 win-loss record in 2025, 8-7 on clay (See FULL STATS).
Previously in the Prague Challenger
Alex has never competed in this tournament before.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Kumstat | Martinez |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 3 | 2 |
| Tot Games | 32 | 21 |
| Pts | 111-98 | 75-63 |
| Total Points | 209 | 138 |
| Winners | 27 | 32 |
| %Winners | 24% | 43% |
Both Kumstat and Martinez played 1 match. Also both players started their run from the qualifications.At the moment, Jan Kumstat surrendered 1 set while Alex Martinez hasn’t dropped a set so far. Kumstat has played 1 set more than Martinez (3 vs 2). Therefore, Kumstat played 11 games more than Martinez. Kumstat scored 27 winners (24% of the total points). On the other side, Martinez bagged 32 winners (43%).
Serve Performance
| Serve | Kumstat | Martinez |
|---|---|---|
| Aces | 5 | 3 |
| Avg per match | 5 | 3 |
| 1st in | 34/99 | 44/72 |
| %1st in | 34% | 61% |
| 1st pts | 27/34 | 32/44 |
| %1st pts | 79% | 73% |
| 2nd pts | 37/65 | 13/28 |
| %2nd pts | 57% | 46% |
Kumstat scored 5 aces . Martinez fired 3 aces . Kumstat won 79% points on his first serve. He very solid his second serve to win 57% of the points. On the other side, Martinez won 73% of the points behind his first serve. He had a solid display on his second serve to win 46% of the points.
How they played the important points
| Breaks | Kumstat | Martinez |
|---|---|---|
| Won | 4 | 4 |
| Converted | 4/9 | 4/7 |
| % Converted | 44% | 57% |
| Conceded | 9 | 5 |
| Saved | 6 | 3 |
| % Saved | 67% | 60% |
| Times Broken | 3 | 2 |
The Czech broke his opponent 4 times with a 44% conversion rate. The Czech conceded his serve 3 times and he saved 67% of the break points that he conceded. Alex broke his opponent 4 times with a 57% conversion rate. Alex conceded his serve twice and he saved 60% of the break points that he conceded.
| Kumstat | |||
| Q1 Squire |
Total | ||
|---|---|---|---|
| Score | 5-7 7-65 6-1 | ||
| Tot Set | 3 | 3 | |
| Tot Games | 32 | 32 | |
| pts | 111-98 | 111-98 | |
| Total points | 209 | 209 | |
| Winners | 27 | 27 | |
| %Winners | 24% | 24% | |
| SERVE | |||
| Aces | 5 | 5 | |
| Double Faults | 6 | 6 | |
| 1st in | 34/99 | 34/99 | |
| % 1st in | 34% | 34% | |
| 1st pts | 27/34 | 27/34 | |
| % 1st pts | 79% | 79% | |
| 2nd pts | 37/65 | 37/65 | |
| % 2nd pts | 57% | 57% | |
| Breaks | |||
| Won | 4 | 4 | |
| Converted | 4/9 | 4/9 | |
| Converted % | 44% | 44% | |
| Conceded | 9 | 9 | |
| Saved | 6/9 | 6 | |
| Saved % | 67% | 67% | |
| Times Broken | 3 | 3 | |
| Martinez | |||
| Q1 Houkes |
Total | ||
|---|---|---|---|
| Score | 6-2 7-65 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 21 | 21 | |
| pts | 75-63 | 75-63 | |
| Total points | 138 | 138 | |
| Winners | 32 | 32 | |
| %Winners | 43% | 43% | |
| SERVE | |||
| Aces | 3 | 3 | |
| Double Faults | 2 | 2 | |
| 1st in | 44/72 | 44/72 | |
| % 1st in | 61% | 61% | |
| 1st pts | 32/44 | 32/44 | |
| % 1st pts | 73% | 73% | |
| 2nd pts | 13/28 | 13/28 | |
| % 2nd pts | 46% | 46% | |
| Breaks | |||
| Won | 4 | 4 | |
| Converted | 4/7 | 4/7 | |
| Converted % | 57% | 57% | |
| Conceded | 5 | 5 | |
| Saved | 3/5 | 3 | |
| Saved % | 60% | 60% | |
| Times Broken | 2 | 2 | |
Head 2 Head
LWWLWWLWLL
LLLWLWWLLL 
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