Ayumi Oka defeated Jia Jing Lu 6-2 6-2 in the Kofu 10K qualifying round on hard. Ayumi Oka extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-09-20 | Makinohara 25K | R32 | carpet | Ayumi Oka | 6-2 6-3 |
| 2009-08-10 | Quanzhou 25K | R32 | hard | Jia Jing Lu | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.