Gauthier Onclin and Petr Brunclik will fight against each other in the quarter of the Ostrava Challenger for the 1st time in their career. They are scheduled to play on Friday at 4:00 pm on CENTRE COURT. In the following lines you can find the head to head analysis and prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Gauthier Onclin who should win in 3 sets.
As per the initial odds, Gauthier Onclin is the pick to win this match.
Gauthier Onclin -> 1.7
Petr Brunclik -> 2.05
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Prediction and head to head Gauthier Onclin vs. Petr Brunclik
There is no head to head record between Gauthier Onclin and Petr Brunclik since this will be the first time that they will square off in the main tour.
Gauthier Onclin
15 - 8win/loss
231
192
LLLWWWLWWW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 15-11 | 3-1 | 11-6 | 1-4 | 0-0 | 0-0 |
| 2024 | 56-27 | 27-11 | 19-13 | 10-3 | 0-0 | 0-0 |
| 2023 | 40-25 | 1-2 | 15-10 | 23-11 | 1-2 | 0-0 |
| 2022 | 54-26 | 10-8 | 36-15 | 8-3 | 0-0 | 0-0 |
| 2021 | 32-23 | 18-6 | 10-13 | 0-2 | 0-0 | 4-2 |
Ranked no. 207, Gauthier reached the quarter after defeating Chak Lam Coleman Wong 6-2 5-7 6-3 and Edas Butvilas 5-7 6-2 6-2.
In the 2nd round against Butvilas, The Belgian recovered from a 1-set down deficit before winning (5-7 6-2 6-2). During the match, Onclin scored 102 points vs Butvilas’s 86. Gauthier was quite aggressive to blast 31 winners.
Talking about the service games, Onclin scored just 1 ace throughout the match and he committed only 2 double faults. Gauthier Onclin lost the serve 5 times and he saved 5 break points. Furthermore, Onclin put 65% of his first serves in, winning 58% (31/53) of the points behind his 1st serve and 55% (16/29) on the 2nd serve. Onclin broke Butvilas 8 times after converting 36% of his break points (8/22).
Overall Performance in this tournament
The Belgian has lost 2 set in this competition to win 53% of the points he played.
Onclin has a solid win-loss record in the last 7 years having won 63% of his matches (225-130). 10-3 on clay in 2025. In connection with his performance on the same surface of this tournament, Onclin has a compiled98-59 win-loss record in the last 7 years on clay.
The Belgian’s best result of the current season was getting to the final in M25 Santa Margherita di Pula.
The Belgian has a composed 14-8 win-loss record in 2025, 10-3 on clay (See FULL STATS).
Previously in the Ostrava Challenger
Petr Brunclik
13 - 5win/loss
540
540
WLWLWWWWLW | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 15-6 | 9-3 | 6-2 | 0-0 | 0-0 | 0-1 |
| 2024 | 16-18 | 5-2 | 7-11 | 4-5 | 0-0 | 0-0 |
| 2023 | 9-5 | 5-2 | 4-3 | 0-0 | 0-0 | 0-0 |
| 2022 | 5-2 | 0-0 | 5-2 | 0-0 | 0-0 | 0-0 |
Ranked no. 646, the Czech got to the quarter after beating Jacopo Berrettini 6-2 6-0, Vitaliy Sachko 6-3 6-4, Radu Albot 6-2 6-1 and Aslan Karatsev 6-7(4) 6-3 6-3.
In the 2nd round against Karatsev, Brunclik recovered from a 1-set down deficit before winning (6-74 6-3 6-3). During the match Brunclik scored 108 points vs Karatsev’s 98. Brunclik was pretty aggressive to blast 49 winners.
About the serving games, Brunclik bagged 6 aces and he committed only 9 double faults. Petr Brunclik lost the serve once and he saved 10 break points. Furthermore, Brunclik put 59% of his first serves in, winning 72% (49/68) of the points behind his 1st serve and 47% (22/47) on the 2nd serve. Brunclik broke Karatsev 4 times after converting 50% of his break points (4/8).
Overall Performance in this tournament
Brunclik started his run at this tournament from the qualifications. In the main draw, he has conceded 1 set in the tournament to win 56% of the points he played.
The Czech’s best result of the current season was getting to the final in M25 Santo Domingo.
Petr has an overall 13-4 win-loss record in 2025, 4-0 on clay (See FULL STATS).
Previously in the Ostrava Challenger
Previously, his best result was reaching the qualifications in 2024. See his history.
H2H Performance in the tournament (main draw)
Matches, sets, games and points
| Points | Onclin | Brunclik |
|---|---|---|
| Match played | 2 | 4 |
| Tot Set | 6 | 9 |
| Tot Games | 57 | 79 |
| Pts | 206-181 | 298-232 |
| Total Points | 387 | 530 |
| Winners | 61 | 130 |
| %Winners | 30% | 44% |
Onclin played 2 matches while Brunclik competed in 4 matches. Brunclik started his run from the qualifications while Onclin had a direct access to the main draw. Both players lost a set in the event. Gauthier Onclin lost 2 sets, while Petr Brunclik surrendered 1 set. Onclin has played 3 set(s) less than Brunclik (6 vs 9). Therefore, Onclin played 22 games less than Brunclik. Gauthier scored 61 winners (30% of the total points). On the other side, The Czech bagged 130 winners (44%).
Serve Performance
| Serve | Onclin | Brunclik |
|---|---|---|
| Aces | 1 | 10 |
| Avg per match | 0.5 | 2.5 |
| 1st in | 102/162 | 180/279 |
| %1st in | 63% | 65% |
| 1st pts | 61/102 | 130/180 |
| %1st pts | 60% | 72% |
| 2nd pts | 30/60 | 51/99 |
| %2nd pts | 50% | 52% |
Onclin struck 1 ace (0.5 per match). Brunclik also fired 10 aces (2.5 per match). Onclin won 60% points behind his first serve. He quite strong on his second serve to win 50% of the points. On the other side, Brunclik won 72% of the points on his first serve. He had a solid display on his second serve to win 52% of the points.
How they played the important points
| Breaks | Onclin | Brunclik |
|---|---|---|
| Won | 16 | 17 |
| Converted | 16/36 | 17/37 |
| % Converted | 44% | 46% |
| Conceded | 17 | 23 |
| Saved | 7 | 21 |
| % Saved | 41% | 91% |
| Times Broken | 10 | 2 |
Onclin broke his opponents 16 times with a 44% conversion rate. The Belgian lost his serve 10 times and he saved 41% of the break points that he conceded. The Czech broke his opponents 17 times with a 46% conversion rate. Brunclik conceded his serve twice and he saved 91% of the break points that he conceded.
| Onclin | ||||
| R1 Lam Coleman Wong |
R2 Butvilas |
Total | ||
|---|---|---|---|---|
| Score | 6-2 5-7 6-3 | 5-7 6-2 6-2 | ||
| Tot Set | 3 | 3 | 6 | |
| Tot Games | 29 | 28 | 57 | |
| pts | 104-95 | 102-86 | 206-181 | |
| Total points | 199 | 188 | 387 | |
| Winners | 30 | 31 | 61 | |
| %Winners | 29% | 30% | 30% | |
| SERVE | ||||
| Aces | 0 | 1 | 1 | |
| Double Faults | 6 | 2 | 8 | |
| 1st in | 49/80 | 53/82 | 102/162 | |
| % 1st in | 61% | 65% | 63% | |
| 1st pts | 30/49 | 31/53 | 61/102 | |
| % 1st pts | 61% | 58% | 60% | |
| 2nd pts | 14/31 | 16/29 | 30/60 | |
| % 2nd pts | 45% | 55% | 50% | |
| Breaks | ||||
| Won | 8 | 8 | 16 | |
| Converted | 8/14 | 8/22 | 16/36 | |
| Converted % | 57% | 36% | 44% | |
| Conceded | 7 | 10 | 17 | |
| Saved | 2/7 | 5/10 | 7 | |
| Saved % | 29% | 50% | 40% | |
| Times Broken | 5 | 5 | 10 | |
| Brunclik | ||||||
| Q1 Berrettini |
Q3 Sachko |
R1 Albot |
R2 Karatsev |
Total | ||
|---|---|---|---|---|---|---|
| Score | 6-2 6-0 | 6-3 6-4 | 6-2 6-1 | 6-74 6-3 6-3 | ||
| Tot Set | 2 | 2 | 2 | 3 | 9 | |
| Tot Games | 14 | 19 | 15 | 31 | 79 | |
| pts | 50-28 | 64-54 | 76-52 | 108-98 | 298-232 | |
| Total points | 78 | 118 | 128 | 206 | 530 | |
| Winners | 19 | 36 | 26 | 49 | 130 | |
| %Winners | 38% | 56% | 34% | 45% | 44% | |
| SERVE | ||||||
| Aces | 0 | 3 | 1 | 6 | 10 | |
| Double Faults | 0 | 5 | 1 | 9 | 15 | |
| 1st in | 29/44 | 51/73 | 32/47 | 68/115 | 180/279 | |
| % 1st in | 66% | 70% | 68% | 59% | 65% | |
| 1st pts | 19/29 | 36/51 | 26/32 | 49/68 | 130/180 | |
| % 1st pts | 66% | 71% | 81% | 72% | 72% | |
| 2nd pts | 11/15 | 10/22 | 8/15 | 22/47 | 51/99 | |
| % 2nd pts | 73% | 45% | 53% | 47% | 52% | |
| Breaks | ||||||
| Won | 5 | 3 | 5 | 4 | 17 | |
| Converted | 5/6 | 3/5 | 5/18 | 4/8 | 17/37 | |
| Converted % | 83% | 60% | 28% | 50% | 46% | |
| Conceded | 0 | 8 | 4 | 11 | 23 | |
| Saved | 0/0 | 7/8 | 4/4 | 10/11 | 21 | |
| Saved % | – | 88% | 100% | 91% | 140% | |
| Times Broken | 0 | 1 | 0 | 1 | 2 | |
Head 2 Head
LLLWWWLWWW
WLWLWWWWLW Tennis Scores in Ostrava Challenger
- Finn Reynolds/James WattReynolds/James Watt – Edas Butvilas/Chak Lam Coleman WongButvilas/Chak Lam Coleman Wong (6-4 6-1) – Stats, scores, rankings
- Matej Vocel/Michael VrbenskyVocel/Michael Vrbensky – Daniel Rincon/Oriol Roca BatallaRincon/Oriol Roca Batalla (7-5 6-75 12-10) – Stats, scores, rankings
- Patrik Niklas-Salminen/Szymon WalkowNiklas-Salminen/Szymon Walkow – Luca Sanchez/Mark WhitehouseSanchez/Mark Whitehouse (1-6 6-4 11-9) – Stats, scores, rankings
Upcoming matches in the draw
- Vit KoprivaKopriva – Hady HabibHabib (1-0) – H2H and prediction
- Henri SquireSquire – Oriol Roca BatallaRoca Batalla (1-0) – H2H and prediction
- Gauthier OnclinOnclin – (0-0) – H2H and prediction
