| 1991 Campionati Internazionali di San Marino | ||||
|---|---|---|---|---|
| Date | 29 July – 4 August | |||
| Edition | 3rd | |||
| Category | World Series | |||
| Draw | 32S / 16D | |||
| Prize money | $200,000 | |||
| Surface | Clay / outdoor | |||
| Location | City of San Marino,San Marino | |||
| Champions | ||||
| Singles | ||||
 Guillermo Pérez Roldán[1] | ||||
| Doubles | ||||
 Jordi Arrese /Carlos Costa[2] | ||||
| ||||
The1991 Campionati Internazionali di San Marino was a men'stennis tournament played onoutdoor clay courts at theCentro Tennis Cassa di Risparmio di Fonte dell'Ovo in theCity of San Marino inSan Marino and was part of theWorld Series of the1991 ATP Tour. It was the third edition of thetournament and was held from 29 July until 4 August 1991. First-seededGuillermo Pérez Roldán won his second consecutive singles title at the event.[3]
Guillermo Pérez Roldán defeated
Frédéric Fontang 6–3, 6–1
Jordi Arrese /Carlos Costa defeatedChristian Miniussi /
Diego Pérez 6–3, 3–6, 6–3