Mari Tanaka defeated Remi Tezuka 6-2 3-6 6-2 in the Tsukuba 25K q32 on hard. The upset overturned the form book — Remi Tezuka came in leading the head-to-head 1–0. Mari Tanaka claimed a first win over Remi Tezuka in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-05-14 | Kurume 50K | Q32 | grass | Remi Tezuka | 4-6 5-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.