Head to head
2
Hard
0
2
Clay
0
Jan Gunnarsson's wins on the left · Michael Westphal's on the right · bar lengths share one scale
All meetings (4)
| 1987 | Stockholm | Hard | R64 | Jan Gunnarsson | 6-3 6-4 |
| 1985 | Vienna | Hard | QF | Jan Gunnarsson | 6-1 6-2 |
| 1985 | Stuttgart | Clay | R16 | Jan Gunnarsson | 7-6 4-6 6-2 |
| 1984 | Roland Garros | Clay | R64 | Jan Gunnarsson | 6-4 0-6 6-4 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.