Jae Sung An defeated Daniel Yoo 6-2 7-6 in the Korean Rep F4 round of 16 on hard. Jae Sung An extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-06-13 | China F8 | R16 | hard | Jae Sung An | 7-5 6-2 |
| 2010-03-22 | China F2 | R32 | hard | Daniel Yoo | 4-6 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.