Chinami Ogi defeated Alison Bai 6-0 6-3 in the Ipswich 25K round of 32 on clay. The upset overturned the form book — Alison Bai came in leading the head-to-head 1–0. Chinami Ogi claimed a first win over Alison Bai in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-22 | Phuket 25K | R16 | hard | Alison Bai | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.