Junri Namigata defeated Tamarine Tanasugarn 6-2 6-3 in the Tsukuba 25K qualifying round on hard. The upset overturned the form book — Tamarine Tanasugarn came in leading the head-to-head 5–0. Junri Namigata claimed a first win over Tamarine Tanasugarn in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-11-17 | Toyota 75K | R32 | carpet | Tamarine Tanasugarn | 6-2 6-3 |
| 2014-09-01 | Noto 25K | R32 | carpet | Tamarine Tanasugarn | 7-5 6-4 |
| 2010-11-01 | Taipei 100K | QF | carpet | Tamarine Tanasugarn | 6-3 6-1 |
| 2008-09-13 | Tokyo | Q32 | hard | Tamarine Tanasugarn | 6-2 6-1 |
| 2008-05-05 | Fukuoka 50K | QF | grass | Tamarine Tanasugarn | 6-3 6-3 |
Averages over each player's completed matches in the selected window (195 vs 7). 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