Nathan Ponwith defeated Kareem Allaf 6-4 6-2 in the M15 San Diego 1 round of 16 on hard. The upset overturned the form book — Kareem Allaf came in leading the head-to-head 1–0. Nathan Ponwith claimed a first win over Kareem Allaf in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-06-16 | M15 San Diego 2 | R16 | hard | Kareem Allaf | 7-6(2) 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.