Thai Son Kwiatkowski defeated Daniel Nguyen 4-6 6-2 6-4 in the Columbus CH round of 32 on hard. The upset overturned the form book — Daniel Nguyen came in leading the head-to-head 2–0. Thai Son Kwiatkowski claimed a first win over Daniel Nguyen in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2014-08-11 | Canada F7 | SF | hard | Daniel Nguyen | 2-6 6-3 7-6(4) |
| 2014-06-16 | USA F16 | R32 | clay | Daniel Nguyen | 3-6 6-3 6-1 |
Averages over each player's completed matches in the selected window (200 vs 42). 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