Head to head
1
Hard
1
0
Grass
1
Sam Groth's wins on the left · Alexandr Dolgopolov's on the right · bar lengths share one scale
All meetings (3)
| 2015 | US Open | Hard | R128 | Sam Groth | 4-6 6-1 7-5 RET |
| 2015 | Acapulco | Hard | R32 | Alexandr Dolgopolov | 6-3 4-6 6-0 |
| 2014 | Wimbledon | Grass | R128 | Alexandr Dolgopolov | 7-5 7-6(2) 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.