Mari Tanaka defeated Junri Namigata 6-3 2-6 6-4 in the Noto 25K round of 16 on grass. The upset overturned the form book — Junri Namigata came in leading the head-to-head 5–0. Mari Tanaka claimed a first win over Junri Namigata in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-10-20 | Hamamatsu 25K | QF | carpet | Junri Namigata | 6-1 6-3 |
| 2014-05-26 | Changwon 25K | SF | hard | Junri Namigata | 7-6(4) 6-0 |
| 2009-05-25 | Gunma 25K | R32 | carpet | Junri Namigata | 6-2 6-3 |
| 2009-05-18 | Nagano 25K | R16 | carpet | Junri Namigata | 6-2 6-1 |
| 2006-02-13 | Sydney 25K | R16 | hard | Junri Namigata | 3-6 6-2 6-3 |
Averages over each player's completed matches in the selected window (3 vs 62). 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