Hiroki Kondo defeated Bumpei Sato 6-4 6-1 in the Japan F1 round of 32 on hard. The result followed the form book — Hiroki Kondo came in leading the head-to-head 5–0. Hiroki Kondo extended the head-to-head to 6–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-01 | Japan F8 | R32 | hard | Hiroki Kondo | 6-1 6-2 |
| 2013-03-11 | Japan F1 | R16 | hard | Hiroki Kondo | 6-4 6-2 |
| 2012-06-18 | Japan F6 | QF | grass | Hiroki Kondo | 6-4 6-4 |
| 2009-10-12 | Japan F8 | R16 | hard | Hiroki Kondo | 5-7 6-2 6-2 |
| 2007-10-15 | Japan F10 | R32 | hard | Hiroki Kondo | 6-0 6-3 |
Averages over each player's completed matches in the selected window (19 vs 5). 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