# 1991 Italian Open – Men's doubles

Sergio Casal and Emilio Sánchez were the defending champions, but lost to Omar Camporese and Goran Ivanišević in the quarterfinals. Camporese and Ivanisevic went on to win the title, defeating Luke Jensen and Laurie Warder in the finals, 6–2, 6–3.

## Seeds

* Sergio Casal / Emilio Sánchez (quarterfinals)
* Udo Riglewski / Michael Stich (first round)
* Jim Courier / Patrick McEnroe (first round)
* Mark Woodforde / Todd Woodbridge (first round)
* Wayne Ferreira / Danie Visser (first round)
* Paul Haarhuis / Mark Koevermans (first round)
* Luke Jensen / Laurie Warder (finals)
* Jeremy Bates / Nick Brown (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Omar Camporese Goran Ivanišević | 4 | 6 | 6 | | | | |
| | Pat Cash Jakob Hlasek | 6 | 3 | 0 | | | | |
| | Pat Cash Jakob Hlasek | 6 | 3 | 0 | | Omar Camporese Goran Ivanišević | 6 | 6 |
| | | | | | 7 | Luke Jensen Laurie Warder | 2 | 3 |
| | Gustavo Luza Cássio Motta | 6 | 4 | 4 | 7 | Luke Jensen Laurie Warder | 2 | 3 |
| 7 | Luke Jensen Laurie Warder | 3 | 6 | 6 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Casal E Sánchez | 4 | 7 | 6 | | | | | | | | | | | | | | |
| Q | R Krajicek L Wahlgren | 6 | 6 | 3 | 1 | S Casal E Sánchez | 4 | 6 | 7 | | | | | | | | | |
| | M Cierro S Colombo | 3 | 4 | | | M Bahrami É Winogradsky | 6 | 3 | 5 | | | | | | | | | |
| | M Bahrami É Winogradsky | 6 | 6 | | | | | | | 1 | S Casal E Sánchez | 4 | 6 | 1 | | | | |
| | S DeVries D McPherson | 6 | 5 | | | | | | | | O Camporese G Ivanišević | 6 | 3 | 6 | | | | |
| | O Camporese G Ivanišević | 7 | 7 | | | O Camporese G Ivanišević | 6 | 6 | | | | | | | | | | |
| | L Mattar N Pereira | 6 | 7 | | | L Mattar N Pereira | 3 | 1 | | | | | | | | | | |
| 8 | J Bates N Brown | 3 | 6 | | | | | | | | | | | | O Camporese G Ivanišević | 4 | 6 | 6 |
| 4 | M Woodforde T Woodbridge | 3 | 7 | 6 | | | | | | | | | | | P Cash J Hlasek | 6 | 3 | 0 |
| | T Carbonell L Pimek | 6 | 5 | 7 | | T Carbonell L Pimek | 6 | 6 | 6 | | | | | | | | | |
| | H Leconte Y Noah | 6 | 6 | | | H Leconte Y Noah | 7 | 4 | 4 | | | | | | | | | |
| | R Båthman R Bergh | 2 | 3 | | | | | | | | T Carbonell L Pimek | 6 | 4 | | | | | |
| | C Beckman J Brown | 6 | 0 | 6 | | | | | | | P Cash J Hlasek | 7 | 6 | | | | | |
| | H de la Peña J Stoltenberg | 3 | 6 | 7 | | H de la Peña J Stoltenberg | 4 | 4 | | | | | | | | | | |
| | P Cash J Hlasek | 5 | 6 | 6 | | P Cash J Hlasek | 6 | 6 | | | | | | | | | | |
| 6 | P Haarhuis M Koevermans | 7 | 3 | 4 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | W Ferreira D Visser | 6 | 3 | 4 | | | | | | | | | | | | | | |
| | M Schapers J Siemerink | 3 | 6 | 6 | | M Schapers J Siemerink | 4 | 7 | 6 | | | | | | | | | |
| Q | JC Baguena C Costa | 6 | 5 | | | G Luza C Motta | 6 | 6 | 7 | | | | | | | | | |
| | G Luza C Motta | 7 | 7 | | | | | | | | G Luza C Motta | 7 | 6 | | | | | |
| | T Nijssen C Suk | 6 | 3 | 1 | | | | | | | B Gilbert P Sampras | 5 | 3 | | | | | |
| | L Lavalle J Lozano | 4 | 6 | 6 | | L Lavalle J Lozano | 5 | 6 | 3 | | | | | | | | | |
| | B Gilbert P Sampras | 6 | 6 | | | B Gilbert P Sampras | 7 | 4 | 6 | | | | | | | | | |
| 3 | J Courier P McEnroe | 4 | 4 | | | | | | | | | | | | G Luza C Motta | 6 | 4 | 4 |
| 7 | L Jensen L Warder | 6 | 6 | | | | | | | | | | | 7 | L Jensen L Warder | 3 | 6 | 6 |
| | F Mordegan F Roig | 4 | 4 | | 7 | L Jensen L Warder | 7 | 7 | | | | | | | | | | |
| | P Henricsson N Utgren | 3 | 4 | | | S Cannon R Smith | 6 | 6 | | | | | | | | | | |
| | S Cannon R Smith | 6 | 6 | | | | | | | 7 | L Jensen L Warder | 6 | 6 | | | | | |
| | K Nováček T Šmid | 5 | 6 | | | | | | | | B Dyke P Lundgren | 1 | 3 | | | | | |
| | V Flegl G Prpić | 7 | 7 | | | V Flégl G Prpić | 5 | 6 | 1 | | | | | | | | | |
| | B Dyke P Lundgren | 6 | 6 | | | B Dyke P Lundgren | 7 | 3 | 6 | | | | | | | | | |
| 2 | Udo Riglewski Michael Stich | 2 | 1 | | | | | | | | | | | | | | | |