Bielefeld CH 1991 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Dimitri Poliakov | d. | Lars Koslowski | 6-4 6-1 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Dimitri Poliakov | d. | Carl Limberger | 6-3 6-4 |
| Lars Koslowski | d. | Libor Nemecek | 6-1 6-2 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Dimitri Poliakov | d. | Karsten Braasch | 6-3 7-5 |
| Carl Limberger | d. | Mark Kaplan | 4-6 6-2 6-2 |
| Lars Koslowski | d. | Francisco Montana | 6-2 0-6 6-3 |
| Libor Nemecek | d. | David De Miguel | 4-6 6-1 6-2 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Dimitri Poliakov | d. | Steve Bryan | 6-1 6-3 |
| Karsten Braasch | d. | Tomas Anzari | 7-6 7-6 |
| Carl Limberger | d. | Tomas Nydahl | 6-1 6-1 |
| Mark Kaplan | d. | Jan Apell | 4-6 7-5 6-3 |
| Lars Koslowski | d. | Jens Woehrmann | 3-6 7-6 7-5 |
| Francisco Montana | d. | Markus Zoecke | 6-4 6-4 |
| David De Miguel | d. | Sandon Stolle | 6-3 6-1 |
| Libor Nemecek | d. | John Stimpson | 7-5 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Dimitri Poliakov | d. | Hendrik Dreekmann | 6-4 7-5 |
| Steve Bryan | d. | Gregor Paul | 7-6 7-5 |
| Tomas Anzari | d. | Dinu Pescariu | 6-4 6-3 |
| Karsten Braasch | d. | Christian Weis | 7-6 6-3 |
| Carl Limberger | d. | Chris Garner | 4-6 7-6 6-0 |
| Tomas Nydahl | d. | Markus Nacke | 6-1 6-3 |
| Jan Apell | d. | Markus Naewie | 6-2 4-6 7-6 |
| Mark Kaplan | d. | Jamie Morgan | 2-6 6-2 6-2 |
| Jens Woehrmann | d. | Lawson Duncan | 6-4 6-1 |
| Lars Koslowski | d. | Miguel Nido | 6-4 6-3 |
| Francisco Montana | d. | Boris Laustroer | 6-2 6-2 |
| Markus Zoecke | d. | David Rikl | 6-4 7-5 |
| Sandon Stolle | d. | Daniel Orsanic | 6-4 0-6 6-2 |
| David De Miguel | d. | Vaclav Roubicek | 6-4 6-2 |
| Libor Nemecek | d. | Christian Geyer | 6-3 6-3 |
| John Stimpson | d. | Thomas Hogstedt | 6-2 6-1 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0