Nathan Ponwith defeated Strong Kirchheimer 6-3 6-1 in the Cleveland CH qualifying round 2 on hard. Nathan Ponwith extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-04-20 | M15 Orange Park 1 | R32 | clay | Nathan Ponwith | 4-6 6-4 6-2 |
| 2019-06-09 | M15 Champaign 1 | F | hard | Nathan Ponwith | 7-6(2) 6-4 |
Averages over each player's completed matches in the selected window (34 vs 74). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About