Guy Den Ouden and Gauthier Onclin will square off in the 2nd round of the Heilbronn Challenger for the 4th time in their career. They are scheduled to play on Thursday at 6:00 pm on HOERTKORN COURT. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Guy Den Ouden who should win in 3 sets.
As per the initial odds, Guy Den Ouden is the pick to win this match.
Guy Den Ouden -> 1.52
Gauthier Onclin -> 2.4
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Prediction and head to head Guy Den Ouden vs. Gauthier Onclin
This will be the 4th time that Guy Den Ouden and Gauthier Onclin fight against each other. The head to head is 2-1 for Onclin (see full H2H stats), 2-1 on clay.
The last time that they played each other, Onclin won 6-0 6-2 in the final in M25 Santa Margherita di Pula back in April 2025.
Guy Den Ouden
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 33-12 | 0-0 | 32-11 | 1-1 | 0-0 | 0-0 |
| 2024 | 35-24 | 3-7 | 28-12 | 4-5 | 0-0 | 0-0 |
| 2023 | 59-19 | 35-9 | 24-9 | 0-1 | 0-0 | 0-0 |
| 2022 | 14-12 | 12-7 | 2-2 | 0-3 | 0-0 | 0-0 |
| 2021 | 29-13 | 16-5 | 13-8 | 0-0 | 0-0 | 0-0 |
Ranked no. 187 (career-high), Guy reached the 2nd round after beating Elmer Moller 7-6(5) 7-5.
In the 1st round, The Dutch had a good straight sets win against Moller (7-65 7-5). During the match, Den Ouden scored 91 points vs Moller’s 79. Guy was quite aggressive to blast 34 winners.
Talking about the service games, Den Ouden scored just 1 ace and he committed only 7 double faults. Guy Den Ouden lost the serve 4 times and he saved 6 break points. Furthermore, Den Ouden put 60% of his first serves in, winning 71% (34/48) of the points behind his 1st serve and 47% (15/32) on the 2nd serve. The Dutch broke Moller 5 times after converting 45% of his break points (5/11).
Den Ouden has a solid record in the last 6 years having won 67% of his matches (169-83). 29-10 on clay in 2025. Regarding his performance on the same surface of this competition, Den Ouden has an aggregate97-42 win-loss record in the last 6 years on clay.
Den Ouden’s best result of the season was reaching the final in M25 Antalya,the Kigali 2 Challenger,M25 Santa Margherita di Pula and the Prague Challenger.
Guy has a composed 30-11 win-loss record in 2025, 29-10 on clay (See FULL STATS).
Previously in the Heilbronn Challenger
Den Ouden has never competed in this tournament before.
Gauthier Onclin
16 - 12win/loss
204
192
WLWWWLWLLL | Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 19-14 | 3-1 | 15-9 | 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. 232, Gauthier reached the 2nd round after defeating Francesco Maestrelli 3-6 6-4 7-6(6).
In the 1st round against Maestrelli, The Belgian recovered from a 1-set down deficit before winning (3-6 6-4 7-66). During the match Onclin scored 104 points vs Maestrelli’s 98. Onclin was pretty aggressive to blast 43 winners.
About the serving games, Onclin bagged 5 aces and he committed only 4 double faults. Gauthier Onclin lost the serve 4 times and he saved 7 break points. Furthermore, Onclin put 66% of his first serves in, winning 62% (43/69) of the points behind his 1st serve and 63% (22/35) on the 2nd serve. The Belgian broke Maestrelli 3 times after converting 50% of his break points (3/6).
Onclin’s best result of the year was reaching the final in M25 Santa Margherita di Pula.
The Belgian has a compiled 16-12 win-loss record in 2025, 12-7 on clay (See FULL STATS).
H2H Performance in the tournament
Matches, sets, games and points
| Points | Den Ouden | Onclin |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 3 |
| Tot Games | 25 | 32 |
| Pts | 91-79 | 104-98 |
| Total Points | 170 | 202 |
| Winners | 34 | 43 |
| %Winners | 37% | 41% |
Both Den Ouden and Onclin played 1 match. At the moment, Gauthier Onclin surrendered 1 set while Guy Den Ouden hasn’t conceded a set so far. Den Ouden has played 1 set(s) less than Onclin (2 vs 3). Therefore, Den Ouden played 7 games less than Onclin. Den Ouden scored 34 winners (37% of the total points). On the other side, Gauthier fired 43 winners (41%).
Serve Performance
| Serve | Den Ouden | Onclin |
|---|---|---|
| Aces | 1 | 5 |
| Avg per match | 1 | 5 |
| 1st in | 48/80 | 69/104 |
| %1st in | 60% | 66% |
| 1st pts | 34/48 | 43/69 |
| %1st pts | 71% | 62% |
| 2nd pts | 15/32 | 22/35 |
| %2nd pts | 47% | 63% |
Den Ouden recorded 1 ace . Onclin also blasted 5 aces . Den Ouden won 71% points behind his first serve. He had a solid display on his second serve to win 47% of the points. On the other side, Onclin won 62% of the points behind his first serve. He had a solid display on his second serve to win 63% of the points.
How they played the important points
| Breaks | Den Ouden | Onclin |
|---|---|---|
| Won | 5 | 3 |
| Converted | 5/11 | 3/6 |
| % Converted | 45% | 50% |
| Conceded | 10 | 11 |
| Saved | 6 | 7 |
| % Saved | 60% | 64% |
| Times Broken | 4 | 4 |
The Dutch broke his opponent 5 times with a 45% conversion rate. Den Ouden conceded his serve 4 times and he saved 60% of the break points that he conceded. The Belgian broke his opponent 3 times with a 50% conversion rate. The Belgian conceded his serve 4 times and he saved 64% of the break points that he conceded.
| Den Ouden | |||
| R1 Moller |
Total | ||
|---|---|---|---|
| Score | 7-65 7-5 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 25 | 25 | |
| pts | 91-79 | 91-79 | |
| Total points | 170 | 170 | |
| Winners | 34 | 34 | |
| %Winners | 37% | 37% | |
| SERVE | |||
| Aces | 1 | 1 | |
| Double Faults | 7 | 7 | |
| 1st in | 48/80 | 48/80 | |
| % 1st in | 60% | 60% | |
| 1st pts | 34/48 | 34/48 | |
| % 1st pts | 71% | 71% | |
| 2nd pts | 15/32 | 15/32 | |
| % 2nd pts | 47% | 47% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/11 | 5/11 | |
| Converted % | 45% | 45% | |
| Conceded | 10 | 10 | |
| Saved | 6/10 | 6 | |
| Saved % | 60% | 60% | |
| Times Broken | 4 | 4 | |
| Onclin | |||
| R1 Maestrelli |
Total | ||
|---|---|---|---|
| Score | 3-6 6-4 7-66 | ||
| Tot Set | 3 | 3 | |
| Tot Games | 32 | 32 | |
| pts | 104-98 | 104-98 | |
| Total points | 202 | 202 | |
| Winners | 43 | 43 | |
| %Winners | 41% | 41% | |
| SERVE | |||
| Aces | 5 | 5 | |
| Double Faults | 4 | 4 | |
| 1st in | 69/104 | 69/104 | |
| % 1st in | 66% | 66% | |
| 1st pts | 43/69 | 43/69 | |
| % 1st pts | 62% | 62% | |
| 2nd pts | 22/35 | 22/35 | |
| % 2nd pts | 63% | 63% | |
| Breaks | |||
| Won | 3 | 3 | |
| Converted | 3/6 | 3/6 | |
| Converted % | 50% | 50% | |
| Conceded | 11 | 11 | |
| Saved | 7/11 | 7 | |
| Saved % | 64% | 64% | |
| Times Broken | 4 | 4 | |
Head 2 Head
LWWWWLLWWW
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