Masato Shiga defeated Nam Hoang Ly 7-5 6-4 in the Vietnam F7 qualifying round on hard. The upset overturned the form book — Nam Hoang Ly came in leading the head-to-head 2–0. Masato Shiga claimed a first win over Nam Hoang Ly in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-10-09 | Thailand F8 | R16 | hard | Nam Hoang Ly | 6-3 7-5 |
| 2016-09-19 | Vietnam F5 | F | hard | Nam Hoang Ly | 6-4 6-2 |
Averages over each player's completed matches in the selected window (8 vs 74). 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