Head to head
0
Hard
1
0
Clay
1
0
Grass
1
1
Carpet
1
Jan Gunnarsson's wins on the left · Boris Becker's on the right · bar lengths share one scale
All meetings (5)
| 1992 | Australian Open | Hard | R128 | Boris Becker | 6-1 6-4 6-2 |
| 1991 | Tokyo Indoor | Carpet | R32 | Boris Becker | 6-2 6-4 |
| 1989 | Stockholm | Carpet | R16 | Jan Gunnarsson | 6-3 7-5 |
| 1989 | Wimbledon | Grass | R32 | Boris Becker | 7-5 7-6 6-3 |
| 1985 | Rome | Clay | QF | Boris Becker | 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.