Ti Chen defeated Oh Hee Kwon 6-0 1-6 6-2 in the Japan F5 round of 16 on hard. The result followed the form book — Ti Chen came in leading the head-to-head 3–2. Ti Chen extended the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-05-30 | Korea F3 | R32 | hard | Oh Hee Kwon | 6-4 2-6 6-4 |
| 2007-04-23 | Korea Rep F1 | R16 | hard | Ti Chen | 6-4 6-1 |
| 2005-07-25 | China F5 | F | hard | Ti Chen | 3-6 6-1 6-1 |
| 2005-07-18 | China F4 | SF | hard | Oh Hee Kwon | 6-3 7-6(2) |
| 2004-08-30 | Japan F6 | R16 | hard | Ti Chen | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.