Ryohei Tagata defeated Takuto Niki 7-5 2-6 6-4 in the M15 Changwon 1 round of 32 on hard. The result followed the form book — Ryohei Tagata came in leading the head-to-head 1–0. Ryohei Tagata extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-28 | M15 Tsukuba 1 | R16 | hard | Ryohei Tagata | 3-6 6-2 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.