Head to head
1
Hard
0
1
Grass
0
Donald Young's wins on the left · Stefan Kozlov's on the right · bar lengths share one scale
All meetings (2)
| 2017 | Indian Wells Masters | Hard | R128 | Donald Young | 7-5 7-6(5) |
| 2016 | Newport | Grass | R16 | Donald Young | 6-0 6-4 |
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.