Takuto Niki defeated Hiroki Kondo 6-3 6-1 in the Japan F3 round of 32 on hard. The upset overturned the form book — Hiroki Kondo came in leading the head-to-head 4–1. Takuto Niki narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-03-18 | Japan F2 | QF | hard | Hiroki Kondo | 6-7(3) 6-4 6-3 |
| 2011-06-20 | Japan F7 | F | grass | Takuto Niki | 6-2 6-4 |
| 2010-06-28 | Japan F8 | QF | clay | Hiroki Kondo | 7-6(1) 4-6 7-6(4) |
| 2009-06-15 | Japan F5 | R32 | carpet | Hiroki Kondo | 7-6(3) 6-4 |
| 2008-10-20 | Japan F11 | QF | hard | Hiroki Kondo | 6-0 6-1 |
Averages over each player's completed matches in the selected window (88 vs 17). 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