Arata Onozawa defeated Mao Xin Gong 6-4 6-4 in the Toyota CH round of 16 on hard. The upset overturned the form book — Mao Xin Gong came in leading the head-to-head 3–0. Arata Onozawa claimed a first win over Mao Xin Gong in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-01-07 | Turkey F1 | R16 | hard | Mao Xin Gong | 6-7(6) 6-3 6-3 |
| 2012-04-16 | China F6 | R16 | hard | Mao Xin Gong | 6-4 6-1 |
| 2008-04-14 | China F3 | R16 | hard | Mao Xin Gong | 6-2 6-2 |
Averages over each player's completed matches in the selected window (45 vs 29). 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