Head to head
Rivalry summary
Quentin Halys and Mackenzie McDonald met 2 times on the ATP tour between 2023 and 2025. Quentin Halys leads the head-to-head 2–0 against Mackenzie McDonald. By surface, Halys leads 2–0 on hard.
2
Hard
0
Quentin Halys's wins on the left · Mackenzie McDonald's on the right · bar lengths share one scale
All meetings (2)
| 2025 | Shanghai | Hard | R128 | Quentin Halys | 6-3 6-2 |
| 2023 | Miami Masters | Hard | R32 | Quentin Halys | 7-6(2) 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.