Mari Tanaka defeated Yuuki Tanaka 6-0 1-6 6-4 in the Tsukuba 25K round of 32 on hard. The result followed the form book — Mari Tanaka came in leading the head-to-head 3–2. Mari Tanaka extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-09-09 | Incheon 25K | R32 | hard | Yuuki Tanaka | 6-1 6-3 |
| 2013-09-02 | Noto 25K | R16 | grass | Mari Tanaka | 6-3 6-0 |
| 2013-05-20 | Karuizawa 25K | R32 | grass | Mari Tanaka | 7-5 6-3 |
| 2012-08-13 | Istanbul 10K | F | hard | Mari Tanaka | 6-0 6-2 |
| 2010-08-02 | Niigata 10K | QF | carpet | Yuuki Tanaka | 4-6 6-3 7-5 |
Averages over each player's completed matches in the selected window (3 vs 49). 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