Head to head
2
Hard
1
1
Clay
0
0
Carpet
1
Jimmy Connors's wins on the left · Jakob Hlasek's on the right · bar lengths share one scale
All meetings (5)
| 1991 | Grand Slam Cup | Carpet | R16 | Jakob Hlasek | 0-6 6-4 6-4 |
| 1988 | Toulouse | Hard | SF | Jimmy Connors | 5-7 7-6 6-3 |
| 1988 | Basel | Hard | SF | Jakob Hlasek | 6-4 3-6 6-1 |
| 1988 | Toronto | Hard | R16 | Jimmy Connors | 6-1 6-4 |
| 1985 | Washington | Clay | QF | Jimmy Connors | 6-2 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.