Strong Kirchheimer and Nathan Ponwith will face off in the qualifications of the Cleveland Challenger for the 3rd time in their career. They are scheduled to play on Monday at 10:00 am on COURT 4. Here the head to head stats and relative prediction.
Prediction, odds and live streaming
The pick for Tennis Tonic is Strong Kirchheimer who should win in 2 sets.
Strong Kirchheimer -> 1.28
Nathan Ponwith -> 3.4
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Prediction and head to head Strong Kirchheimer vs. Nathan Ponwith
This will be the 3rd time that Strong Kirchheimer and Nathan Ponwith square off. The head to head is 2-0 for Ponwith (see full H2H stats), but they have never competed against each other on indoor hard courts.
The last time that they locked horns, Ponwith won 4-6 6-4 6-2 in the 1st round in M15 Orange Park back in 2022.
Strong Kirchheimer
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 21-35 | 14-21 | 1-4 | 6-10 | 0-0 | 0-0 |
| 2024 | 25-32 | 15-19 | 2-4 | 8-9 | 0-0 | 0-0 |
| 2023 | 38-29 | 19-16 | 2-4 | 17-9 | 0-0 | 0-0 |
| 2022 | 33-30 | 17-12 | 7-11 | 9-7 | 0-0 | 0-0 |
| 2021 | 19-21 | 12-15 | 6-5 | 1-1 | 0-0 | 0-0 |
Ranked no. 597, Kirchheimer reached the qualifications after beating Santiago Salazar Garza 6-1 6-0.
In the qualifications, Strong had a good straight sets win against Salazar Garza (6-1 6-0). During the match, Kirchheimer scored 55 points vs Salazar Garza’s 24. The American was exceptionally aggressive to blast 26 winners.
Regarding the service games, Kirchheimer scored 8 aces and he committed only 3 double faults. Strong Kirchheimer conceded no breaks for the entire match to put 81% of his first serves in, win 90% (26/29) of the points behind his 1st serve and 43% (3/7) on the 2nd serve. Strong broke Salazar Garza 5 times after converting 63% of his break points (5/8).
Kirchheimer has winning record in the last 10 years having won 55% of his matches (266-216). 3-1 on indoor hard courts in 2025. In connection with his performance on the same surface of this competition, Kirchheimer has an overall 62-45 win-loss record in the last years on indoor hard courts.
Strong has an overall 4-2 win-loss record in 2025, 3-1 on indoor hard courts (See FULL STATS).
Previously in the Cleveland Challenger
Nathan Ponwith
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 11-25 | 7-16 | 2-5 | 2-4 | 0-0 | 0-0 |
| 2024 | 20-27 | 18-21 | 2-3 | 0-3 | 0-0 | 0-0 |
| 2023 | 22-32 | 18-25 | 2-2 | 2-5 | 0-0 | 0-0 |
| 2022 | 30-27 | 19-15 | 6-7 | 5-5 | 0-0 | 0-0 |
| 2021 | 17-14 | 16-13 | 0-0 | 1-1 | 0-0 | 0-0 |
Ranked no. 754, Ponwith reached the qualifications after beating Casey Hishinuma 6-2 6-0.
In the qualifications, Nathan had a good straight sets win against Hishinuma (6-2 6-0). During the match Ponwith scored 60 points vs Hishinuma’s 35. Nathan was quite aggressive to blast 21 winners.
About the serving games, Ponwith managed to score 2 aces and he was extremely consistent in conceding no double faults for the entire match. Nathan Ponwith was pretty effective on serve to win 81% (21/26) of his 1st serve and 62% (8/13) on the second serve. This was the main reason for not conceding a single break during the match. Ponwith broke Hishinuma 5 times after converting 45% of his break points (5/11).
Ponwith has an aggregate 1-2 win-loss record in 2025, 1-1 on indoor hard courts (See FULL STATS).
Previously in the Cleveland Challenger
Previously, his best result was reaching the 1st round in 2024. See his history.
H2H Performance in the tournament
Matches, sets, games and points
| Points | Kirchheimer | Ponwith |
|---|---|---|
| Match played | 1 | 1 |
| Tot Set | 2 | 2 |
| Tot Games | 13 | 14 |
| Pts | 55-24 | 60-35 |
| Total Points | 79 | 95 |
| Winners | 26 | 21 |
| %Winners | 47% | 35% |
Both Kirchheimer and Ponwith played 1 match. Also both players started their run from the qualifications.Both players have not surrendered a single set in this event so far. Talking about their workload, Kirchheimer and Ponwith have played the same amount of sets 2. However, Kirchheimer played 1 game less than Ponwith. Kirchheimer scored 26 winners (47% of the total points). On the other side, Nathan recorded 21 winners (35%).
Serve Performance
| Serve | Kirchheimer | Ponwith |
|---|---|---|
| Aces | 8 | 2 |
| Avg per match | 8 | 2 |
| 1st in | 29/36 | 26/39 |
| %1st in | 81% | 67% |
| 1st pts | 26/29 | 21/26 |
| %1st pts | 90% | 81% |
| 2nd pts | 3/7 | 8/13 |
| %2nd pts | 43% | 62% |
Kirchheimer made 8 aces . Ponwith blasted 2 aces . Kirchheimer won 90% points behind his first serve. He quite strong on his second serve to win 43% of the points. On the other side, Ponwith won 81% of the points behind his first serve. He had a solid display on his second serve to win 62% of the points.
How they played the important points
| Breaks | Kirchheimer | Ponwith |
|---|---|---|
| Won | 5 | 5 |
| Converted | 5/8 | 5/11 |
| % Converted | 63% | 45% |
| Conceded | 0 | 0 |
| Saved | 0 | 0 |
| % Saved | 0% | 0% |
| Times Broken | 0 | 0 |
Strong broke his opponent 5 times with a 63% conversion rate. Kirchheimer extremely effective on his serve as he has never conceded a single service game after saving 0 break points. Ponwith broke his opponent 5 times with a 45% conversion rate. Nathan was rock solid on his serve as he has never conceded a single service game after saving 0 break points.
| Kirchheimer | |||
| Q1 Salazar | Total | ||
|---|---|---|---|
| Score | 6-1 6-0 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 13 | 13 | |
| pts | 55-24 | 55-24 | |
| Total points | 79 | 79 | |
| Winners | 26 | 26 | |
| %Winners | 47% | 47% | |
| SERVE | |||
| Aces | 8 | 8 | |
| Double Faults | 3 | 3 | |
| 1st in | 29/36 | 29/36 | |
| % 1st in | 81% | 81% | |
| 1st pts | 26/29 | 26/29 | |
| % 1st pts | 90% | 90% | |
| 2nd pts | 3/7 | 3/7 | |
| % 2nd pts | 43% | 43% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/8 | 5/8 | |
| Converted % | 63% | 63% | |
| Conceded | 0 | 0 | |
| Saved | 0/0 | 0 | |
| Saved % | – | 0% | |
| Times Broken | 0 | 0 | |
| Ponwith | |||
| Q1 Hishinuma | Total | ||
|---|---|---|---|
| Score | 6-2 6-0 | ||
| Tot Set | 2 | 2 | |
| Tot Games | 14 | 14 | |
| pts | 60-35 | 60-35 | |
| Total points | 95 | 95 | |
| Winners | 21 | 21 | |
| %Winners | 35% | 35% | |
| SERVE | |||
| Aces | 2 | 2 | |
| Double Faults | 0 | 0 | |
| 1st in | 26/39 | 26/39 | |
| % 1st in | 67% | 67% | |
| 1st pts | 21/26 | 21/26 | |
| % 1st pts | 81% | 81% | |
| 2nd pts | 8/13 | 8/13 | |
| % 2nd pts | 62% | 62% | |
| Breaks | |||
| Won | 5 | 5 | |
| Converted | 5/11 | 5/11 | |
| Converted % | 45% | 45% | |
| Conceded | 0 | 0 | |
| Saved | 0/0 | 0 | |
| Saved % | – | 0% | |
| Times Broken | 0 | 0 | |
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