Head to head
3
Hard
0
1
Clay
0
1
Carpet
0
Alexander Volkov's wins on the left · Marcos Ondruska's on the right · bar lengths share one scale
All meetings (5)
| 1995 | Seoul | Hard | R16 | Alexander Volkov | 5-7 6-3 6-3 |
| 1995 | Davis Cup WG QF: RUS vs RSA | Carpet | RR | Alexander Volkov | 6-1 6-1 |
| 1994 | Roland Garros | Clay | R128 | Alexander Volkov | 6-7(3) 6-3 6-2 6-3 |
| 1994 | Sun City | Hard | QF | Alexander Volkov | 2-6 6-2 6-4 |
| 1993 | Auckland | Hard | R32 | Alexander Volkov | 6-1 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.