By surface
| Surface | Guillermo Vilas | Lawson Duncan |
|---|---|---|
| Clay | 0 | 3 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1989-05-08 | ATP | Charleston | Round of 16 | Clay | Lawson Duncan | 6-3 | 2-6 | 1-6 | ||
| 1988-07-25 | ATP | Bordeaux | Round of 32 | Clay | Lawson Duncan | 7-6 | 2-6 | 3-6 | ||
| 1986-08-04 | ATP | Kitzbuhel | Round of 64 | Clay | Lawson Duncan | 2-6 | 2-6 |