Sun Yong Kim Jr defeated Hiroki Moriya 7-5 6-4 in the Korean Rep F5 round of 32 on hard. The upset overturned the form book — Hiroki Moriya came in leading the head-to-head 1–0. Sun Yong Kim Jr claimed a first win over Hiroki Moriya in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-06-21 | Japan F7 | R16 | carpet | Hiroki Moriya | 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.