Phuong Van Nguyen defeated Darren K Polkinghorne 6-4 1-6 6-3 in the Vietnam F3 qualifying round of 32 on hard. Phuong Van Nguyen extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-04-30 | Vietnam F1 | R32 | hard | Phuong Van Nguyen | 6-3 6-3 |
| 2016-08-01 | Vietnam F2 | Q32 | hard | Darren K Polkinghorne | 6-1 6-1 |
Averages over each player's completed matches in the selected window (14 vs 27). 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