Sho Shimabukuro defeated Seong Chan Hong 3-6 6-4 6-1 in the M25 Harmon 2 final on hard. The upset overturned the form book — Seong Chan Hong came in leading the head-to-head 2–0. Sho Shimabukuro claimed a first win over Seong Chan Hong in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2019-04-12 | M25 Matsuyama 1 | QF | hard | Seong Chan Hong | 6-2 6-2 |
| 2019-03-14 | M15 Nishi-Tokyo 1 | R16 | hard | Seong Chan Hong | 6-1 7-6(4) |
Averages over each player's completed matches in the selected window (200 vs 127). 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