Tomohiro Masabayashi defeated Jesse Delaney 6-2 3-6 6-2 in the M15 Andong 1 round of 32 on hard. The upset overturned the form book — Jesse Delaney came in ranked #953, leading the head-to-head 2–0, but Tomohiro Masabayashi had been the form player, winning 1 of their last 5 on hard. Tomohiro Masabayashi claimed a first win over Jesse Delaney in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-08-26 | M15 Nakhon Pathom 5 | R32 | hard | Jesse Delaney | 6-3 6-1 |
| 2025-07-15 | M15 Nakhon Pathom 1 | R32 | hard | Jesse Delaney | 6-3 6-3 |
Averages over each player's completed matches in the selected window (8 vs 9). ATP, WTA & Challenger.
Masabayashi T.: 21 days rest · Delaney J.: 14 days rest · 1 match (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About