Jung Woong Na defeated Tom Schonenberg 6-4 6-3 in the Vietnam F6 round of 32 on hard. The upset overturned the form book — Tom Schonenberg came in leading the head-to-head 1–0. Jung Woong Na claimed a first win over Tom Schonenberg in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-09-17 | Vietnam F5 | R32 | hard | Tom Schonenberg | 6-1 6-4 |
Averages over each player's completed matches in the selected window (62 vs 61). 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