Cologne CH 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Marcos Aurelio Gorriz | 6-2 4-6 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Jose Francisco Altur | 6-2 6-1 |
| Marcos Aurelio Gorriz | d. | Johan Anderson | 6-3 6-4 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Bruno Oresar | 6-1 6-0 |
| Jose Francisco Altur | d. | Martin Wostenholme | 6-3 6-3 |
| Marcos Aurelio Gorriz | d. | Andrew Sznajder | 6-1 6-3 |
| Johan Anderson | d. | Daniel Orsanic | 7-5 6-7 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Frederic Fontang | 6-7 6-4 6-3 |
| Bruno Oresar | d. | Francisco Montana | 6-4 6-2 |
| Martin Wostenholme | d. | Mikael Pernfors | 6-2 6-2 |
| Jose Francisco Altur | d. | Rudiger Haas | 6-2 4-6 7-5 |
| Andrew Sznajder | d. | Olivier Delaitre | 5-7 6-4 7-5 |
| Marcos Aurelio Gorriz | d. | Dimitri Poliakov | 7-6 7-6 |
| Johan Anderson | d. | Markus Zoecke | 6-2 5-7 6-2 |
| Daniel Orsanic | d. | Karsten Braasch | 6-4 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Magnus Gustafsson | d. | Jens Woehrmann | 6-2 6-4 |
| Frederic Fontang | d. | Markus Naewie | 4-6 6-3 6-2 |
| Francisco Montana | d. | Paolo Pambianco | 7-6 2-6 7-6 |
| Bruno Oresar | d. | David Engel | 1-6 6-4 7-6 |
| Martin Wostenholme | d. | Pablo Arraya | 6-2 6-2 |
| Mikael Pernfors | d. | John Stimpson | 6-4 7-5 |
| Rudiger Haas | d. | Felipe Rivera | 6-4 6-0 |
| Jose Francisco Altur | d. | Michael Tauson | 6-2 7-5 |
| Olivier Delaitre | d. | Chris Garner | 6-4 6-4 |
| Andrew Sznajder | d. | Maurice Ruah | 6-3 1-6 6-3 |
| Marcos Aurelio Gorriz | d. | Fernando Luna | 6-4 6-4 |
| Dimitri Poliakov | d. | Carlos Gomez Diaz | 6-2 4-6 6-1 |
| Markus Zoecke | d. | Jorg Schors | 6-0 6-1 |
| Johan Anderson | d. | Sasa Hirszon | 6-1 6-0 |
| Karsten Braasch | d. | Lawson Duncan | 3-6 6-1 6-3 |
| Daniel Orsanic | d. | Alexander Mronz | 1-6 7-6 6-1 |