Takashi Saito defeated Min Kyu Song 6-1 6-0 in the Vietnam F3 round of 16 on hard. The upset overturned the form book — Min Kyu Song came in leading the head-to-head 1–0. Takashi Saito claimed a first win over Min Kyu Song in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-03-13 | M15 Nishi-Tokyo 1 | R32 | hard | Min Kyu Song | 6-0 |
Averages over each player's completed matches in the selected window (48 vs 18). 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