Prague 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Karel Novacek | d. | Magnus Gustafsson | 7-6(5) 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Guillermo Perez Roldan | 7-5 6-7(5) 6-2 |
| Karel Novacek | d. | Thomas Muster | 6-1 2-6 7-5 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Arnaud Boetsch | 6-2 6-2 |
| Guillermo Perez Roldan | d. | Horst Skoff | 3-6 6-4 7-6(2) |
| Thomas Muster | d. | Magnus Larsson | 6-3 6-0 |
| Karel Novacek | d. | Horacio De La Pena | 6-0 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Carlos Costa | 6-4 6-1 |
| Arnaud Boetsch | d. | Libor Pimek | 6-2 6-3 |
| Horst Skoff | d. | Dimitri Poliakov | 6-4 6-1 |
| Guillermo Perez Roldan | d. | Carl Uwe Steeb | 6-4 6-0 |
| Thomas Muster | d. | Jordi Arrese | 6-2 6-3 |
| Magnus Larsson | d. | Karol Kucera | 6-1 6-0 |
| Horacio De La Pena | d. | Juan Aguilera | 6-2 6-3 |
| Karel Novacek | d. | Renzo Furlan | 4-6 6-4 7-6(5) |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Lukas Thomas | 6-3 6-2 |
| Carlos Costa | d. | Marcelo Filippini | 6-1 6-2 |
| Libor Pimek | d. | Pedro Rebolledo | 6-4 6-1 |
| Arnaud Boetsch | d. | Nicklas Kulti | 6-1 6-4 |
| Horst Skoff | d. | Radomir Vasek | 6-1 6-1 |
| Dimitri Poliakov | d. | Milan Trneny | 3-6 6-3 6-2 |
| Carl Uwe Steeb | d. | Roberto Azar | 6-4 6-4 |
| Guillermo Perez Roldan | d. | Jose Francisco Altur | 6-4 6-4 |
| Jordi Arrese | d. | Franco Davin | 6-2 6-2 |
| Thomas Muster | d. | Diego Nargiso | 6-4 6-2 |
| Karol Kucera | d. | Paul Vojtischek | 7-5 6-3 |
| Magnus Larsson | d. | Goran Prpic | 6-2 6-4 |
| Horacio De La Pena | d. | Pablo Arraya | 6-7(3) 6-0 6-2 |
| Juan Aguilera | d. | Jan Kodes Jr | 6-3 6-4 |
| Renzo Furlan | d. | Andrei Olhovskiy | 7-6(3) 5-7 6-4 |
| Karel Novacek | d. | Veli Paloheimo | 6-4 6-3 |