Basel 1981 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Jose Luis Clerc | 6-2 6-3 6-0 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Heinz Gunthardt | 6-2 6-1 |
| Jose Luis Clerc | d. | Trey Waltke | 5-7 7-6 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Eddie Dibbs | 6-1 6-0 |
| Heinz Gunthardt | d. | Andres Gomez | 6-4 4-6 6-3 |
| Trey Waltke | d. | Sammy Giammalva Jr | 6-1 6-2 |
| Jose Luis Clerc | d. | Steve Krulevitz | 6-2 6-3 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Marko Ostoja | 6-4 6-1 |
| Eddie Dibbs | d. | Jay Lapidus | 6-1 6-3 |
| Andres Gomez | d. | Tom Okker | 6-4 7-6 |
| Heinz Gunthardt | d. | Angel Gimenez | 6-3 7-5 |
| Sammy Giammalva Jr | d. | Raymond Moore | 6-2 6-7 7-6 |
| Trey Waltke | d. | Rolf Gehring | 6-3 7-5 |
| Steve Krulevitz | d. | John Austin | 6-3 6-3 |
| Jose Luis Clerc | d. | Dave Siegler | 3-6 6-1 6-1 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Ivan Lendl | d. | Steve Denton | 6-4 6-1 |
| Marko Ostoja | d. | Per Hjertquist | 7-6 6-2 |
| Jay Lapidus | d. | Peter Feigl | 6-2 6-4 |
| Eddie Dibbs | d. | Bernard Mitton | 6-3 6-2 |
| Andres Gomez | d. | Markus Gunthardt | 6-4 3-6 6-2 |
| Tom Okker | d. | Sean Sorensen | 7-5 6-2 |
| Angel Gimenez | d. | Roland Stadler | 7-5 6-2 |
| Heinz Gunthardt | d. | Matt Doyle | 3-6 6-3 6-3 |
| Sammy Giammalva Jr | d. | Joao Soares | 7-6 4-6 6-1 |
| Raymond Moore | d. | Hans Dieter Beutel | 6-7 6-1 6-3 |
| Trey Waltke | d. | Hans Peter Kandler | 6-0 6-3 |
| Rolf Gehring | d. | Peter Elter | 6-7 6-0 7-5 |
| John Austin | d. | Nick Saviano | 7-5 7-5 |
| Steve Krulevitz | d. | Eric Fromm | 6-3 4-6 7-6 |
| Dave Siegler | d. | Ivan Dupasquier | 7-6 6-4 |
| Jose Luis Clerc | d. | Ilie Nastase | 4-6 6-4 6-4 |