Yuto Oki defeated Kosuke Ogura 6-2 6-4 in the M15 Phan Thiet 2 round of 32 on hard. The upset overturned the form book — Kosuke Ogura came in ranked #876, leading the head-to-head 1–0, but Yuto Oki had been the form player, winning 5 of their last 8 on hard. Yuto Oki claimed a first win over Kosuke Ogura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-06-10 | M15 Harmon 1 | R32 | hard | Kosuke Ogura | 6-3 2-6 6-4 |
Averages over each player's completed matches in the selected window (35 vs 52). 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