Head to head
0
Hard
3
1
Grass
0
Gary Muller's wins on the left · Alexander Volkov's on the right · bar lengths share one scale
All meetings (4)
| 1994 | Sun City | Hard | R16 | Alexander Volkov | 7-6(2) 6-2 |
| 1991 | Indianapolis | Hard | R64 | Alexander Volkov | 3-6 6-2 6-3 |
| 1991 | Manchester | Grass | R16 | Gary Muller | 7-6(3) 7-6(4) |
| 1990 | Toulouse | Hard | R32 | Alexander Volkov | 6-4 7-5 |
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.