Cheong Eui Kim defeated Roko Karanusic 6-4 6-4 in the Thailand F4 round of 16 on hard. The upset overturned the form book — Roko Karanusic came in leading the head-to-head 2–0, but Cheong Eui Kim had been the form player, winning 3 of their last 7 on hard. Cheong Eui Kim claimed a first win over Roko Karanusic in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-15 | Thailand F5 | QF | hard | Roko Karanusic | 6-4 6-4 |
| 2010-11-01 | Laos F1 | R16 | hard | Roko Karanusic | 6-3 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.