Tasuku Iwami defeated Hiroki Kondo 6-3 6-3 in the Japan F6 round of 16 on hard. The upset overturned the form book — Hiroki Kondo came in leading the head-to-head 3–2. Tasuku Iwami narrowed the head-to-head to 3–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-21 | Japan F7 | SF | carpet | Hiroki Kondo | 6-3 6-4 |
| 2010-06-14 | Japan F6 | F | carpet | Tasuku Iwami | 6-4 6-4 |
| 2009-04-13 | Korean Rep F2 | R16 | hard | Hiroki Kondo | 6-2 6-0 |
| 2008-10-13 | Japan F10 | QF | hard | Hiroki Kondo | 2-6 6-2 6-4 |
| 2008-06-16 | Japan F5 | QF | carpet | Tasuku Iwami | 6-4 6-1 |
Averages over each player's completed matches in the selected window (4 vs 20). 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