Naoki Nakagawa defeated Stuart Parker 6-1 7-6 in the M25 Quinta Do Lago 1 round of 16 on hard. The upset overturned the form book — Stuart Parker came in leading the head-to-head 1–0. Naoki Nakagawa claimed a first win over Stuart Parker in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-02-25 | M15 Monastir 6 | R16 | hard | Stuart Parker | 6-4 6-3 |
Averages over each player's completed matches in the selected window (121 vs 84). 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