Jung Woong Na defeated Arata Onozawa 6-1 6-4 in the China F6 round of 16 on hard. The upset overturned the form book — Arata Onozawa came in leading the head-to-head 1–0, but Jung Woong Na had been the form player, winning 4 of their last 9 on hard. Jung Woong Na claimed a first win over Arata Onozawa in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-08-29 | Korea F7 | R16 | clay | Arata Onozawa | 7-6(5) 7-5 |
Averages over each player's completed matches in the selected window (62 vs 46). 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