Jason Jung defeated Daniel Nguyen 7-5 6-2 in the USA F9 semi-final on hard. Jason Jung extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-04-29 | Korea F1 | SF | hard | Daniel Nguyen | 6-2 6-3 |
| 2012-12-10 | Hong Kong F2 | R32 | hard | Jason Jung | 6-1 4-6 6-1 |
Averages over each player's completed matches in the selected window (200 vs 168). 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