By surface
| Surface | Heinz Gunthardt | Michael Westphal |
|---|---|---|
| Clay | 2 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1985-04-29 | ATP | Hamburg | Round of 64 | Clay | Michael Westphal | 6-1 | 2-6 | 2-6 | ||
| 1983-09-30 | ATP | Davis Cup EUR F: FRG vs SUI | Round Robin | Clay | Heinz Gunthardt | 6-2 | 6-2 | 6-8 | 2-6 | 6-2 |
| 1982-05-10 | ATP | Hamburg | Round of 64 | Clay | Heinz Gunthardt | 6-4 | 6-1 |