Cheong Eui Kim defeated Kento Takeuchi 6-4 4-6 7-5 in the Korea F4 round of 32 on hard. The upset overturned the form book — Kento Takeuchi came in leading the head-to-head 3–1, but Cheong Eui Kim had been the form player, winning 4 of their last 8 on hard. Cheong Eui Kim narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-01-15 | M15 Anning 3 | R32 | clay | Cheong Eui Kim | 6-3 6-1 |
| 2011-11-14 | Chinese Taipei F4 | R32 | clay | Kento Takeuchi | 4-6 7-5 6-2 |
| 2011-01-31 | Cambodia F2 | R32 | hard | Kento Takeuchi | 6-4 6-4 |
| 2007-09-10 | Japan F8 | R32 | hard | Kento Takeuchi | 7-6(4) 7-6(5) |
Averages over each player's completed matches in the selected window (192 vs 196). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About