Head to head
0
Hard
1
1
Carpet
2
Andrei Cherkasov's wins on the left · Jakob Hlasek's on the right · bar lengths share one scale
All meetings (4)
| 1992 | Miami Masters | Hard | QF | Jakob Hlasek | 6-7(1) 6-3 6-4 |
| 1991 | Moscow | Carpet | F | Andrei Cherkasov | 7-6(2) 3-6 7-6(5) |
| 1991 | Davis Cup G1 SF: SUI vs URS | Carpet | RR | Jakob Hlasek | 7-5 7-5 6-3 |
| 1990 | Stockholm Masters | Carpet | R64 | Jakob Hlasek | 6-3 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.