Sam Riffice defeated Nathan Ponwith 7-5 6-4 in the M25 Tulsa 1 round of 32 on hard. The upset overturned the form book — Nathan Ponwith came in leading the head-to-head 1–0, but Sam Riffice had been the form player, winning 7 of their last 9 on hard. Sam Riffice claimed a first win over Nathan Ponwith in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-07-30 | M25 Edwardsville 1 | SF | hard | Nathan Ponwith | 6-2 6-4 |
Averages over each player's completed matches in the selected window (18 vs 62). 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