| Doubles | |
|---|---|
| 1991 Manchester Open | |
| Champions |  Omar Camporese  Goran Ivanišević |
| Runners-up |  Nick Brown Andrew Castle |
| Score | 6–4, 6–3 |
| Draw | 16 |
| Seeds | 4 |
Mark Kratzmann and Jason Stoltenberg were the defending champions, but did not participate this year.
Omar Camporese and Goran Ivanišević won the title, defeating Nick Brown and Andrew Castle 6–4, 6–3 in the final. [1]
Gary Muller / 
Jim Pugh (first round) Jeremy Bates / 
Laurie Warder (semifinals) Kelly Jones / 
Jorge Lozano (first round) Omar Camporese / Goran Ivanišević (champions)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | G Muller J Pugh | 6 | 6 | ||||||||||||||||||||||||
 HJ Davids P Haarhuis | 7 | 7 | HJ Davids P Haarhuis | 7 | 6 | ||||||||||||||||||||||
| Q |  G Bloom A Mansdorf | 6 | 7 | Q | G Bloom A Mansdorf | 6 | 2 | ||||||||||||||||||||
| J Brown B Garnett | 4 | 5 | HJ Davids P Haarhuis | 6 | 4 | 6 | |||||||||||||||||||||
| 3 | K Jones J Lozano | 4 | 6 | 6 | WC | N Brown A Castle | 2 | 6 | 7 | ||||||||||||||||||
| J Grabb W Masur | 6 | 1 | 7 | J Grabb W Masur | 3 | 6 | |||||||||||||||||||||
| WC | N Brown A Castle | 6 | 3 | 7 | WC | N Brown A Castle | 6 | 7 | |||||||||||||||||||
 K Evernden  P Lundgren | 4 | 6 | 6 | WC | N Brown A Castle | 4 | 3 | ||||||||||||||||||||
| D Macpherson B Pearce | 7 | 6 | 6 | 4 | O Camporese G Ivanišević | 6 | 6 | ||||||||||||||||||||
| R Båthman R Bergh | 5 | 7 | 4 | D Macpherson B Pearce | 6 | 3 | 4 | ||||||||||||||||||||
| J Siemerink T Witsken | 7 | 6 | 5 | 4 | O Camporese G Ivanišević | 3 | 6 | 6 | |||||||||||||||||||
| 4 | O Camporese G Ivanišević | 6 | 7 | 7 | 4 | O Camporese G Ivanišević | 7 | 6 | 6 | ||||||||||||||||||
 L Mattar J Oncins | 6 | 6 | 2 | J Bates L Warder | 6 | 7 | 4 | ||||||||||||||||||||
| S Davis R Van't Hof | 3 | 4 | L Mattar J Oncins | 6 | 2 | ||||||||||||||||||||||
| S Kruger P Norval | 3 | 3 | 2 | J Bates L Warder | 7 | 6 | |||||||||||||||||||||
| 2 | J Bates L Warder | 6 | 6 | ||||||||||||||||||||||||
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