Head to head
1
Hard
1
Michael Berrer's wins on the left · Donald Young's on the right · bar lengths share one scale
All meetings (2)
| 2011 | Winston-Salem | Hard | R64 | Donald Young | 6-3 6-4 |
| 2008 | Australian Open | Hard | R128 | Michael Berrer | 6-7(5) 7-6(4) 6-3 7-6(5) |
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.