Takuto Niki defeated Woong Sun Jun 6-1 6-4 in the Korea F1 round of 32 on hard. The result followed the form book — Takuto Niki came in leading the head-to-head 2–0. Takuto Niki extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-06-22 | Japan F8 | R32 | clay | Takuto Niki | 6-2 2-6 6-4 |
| 2014-05-26 | Guam F1 | QF | hard | Takuto Niki | 6-4 7-6(2) |
Averages over each player's completed matches in the selected window (200 vs 6). 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