| 1991 Volvo San Francisco | ||||
|---|---|---|---|---|
| Date | February 4–10 | |||
| Edition | 103rd | |||
| Category | World Series | |||
| Draw | 32S / 16D | |||
| Prize money | $225,000 | |||
| Surface | Carpet / indoor | |||
| Location | San Francisco, U.S. | |||
| Venue | San Francisco Civic Auditorium | |||
| Champions | ||||
| Singles | ||||
 Darren Cahill[1] | ||||
| Doubles | ||||
| Wally Masur /Jason Stoltenberg[2] | ||||
| ||||
The1991 Volvo San Francisco was a men'stennis tournament played on indoorcarpet courts at theSan Francisco Civic Auditorium inSan Francisco, California in the United States and was part of theWorld Series of the1991 ATP Tour. It was the 103rd edition of thetournament and was held from February 4 through February 10, 1991. Sixth-seededDarren Cahill won the singles title and earned $33,800 first-prize money.[3]
Darren Cahill defeated
Brad Gilbert 6–2, 3–6, 6–4
Wally Masur /Jason Stoltenberg defeated
Ronnie Båthman /Rikard Bergh 4–6, 7–6, 6–4