Chuhan Wang defeated Issei Okamura 6-4 6-4 in the China F4 round of 32 on hard. The upset overturned the form book — Issei Okamura came in leading the head-to-head 1–0. Chuhan Wang claimed a first win over Issei Okamura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-02-27 | China F3 | R32 | clay | Issei Okamura | 2-6 7-5 4-0 |
Averages over each player's completed matches in the selected window (96 vs 200). 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