Dae Soung Oh defeated Kento Takeuchi 6-2 6-2 in the Cambodia F1 round of 32 on hard. The upset overturned the form book — Kento Takeuchi came in leading the head-to-head 1–0. Dae Soung Oh claimed a first win over Kento Takeuchi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-06-25 | Indonesia F1 | R32 | hard | Kento Takeuchi | 3-6 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.