Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1991 | ATP | Guaruja | Hard | ATP 500/250 | 1991-10-21 | 31 | Javier Frana |
| 1991 | WTA | San Juan | Hard | WTA Tour | 1991-10-21 | 31 | Julie Halard Decugis |
| 1991 | ATP | Stockholm Masters | Carpet | Masters 1000 | 1991-10-21 | 47 | Boris Becker |
| 1991 | WTA | Filderstadt | Hard | WTA Tour | 1991-10-14 | 31 | Anke Huber |
| 1991 | ATP | Lyon | Carpet | ATP 500/250 | 1991-10-14 | 31 | Pete Sampras |
| 1991 | ATP | Vienna | Carpet | ATP 500/250 | 1991-10-14 | 31 | Michael Stich |
| 1991 | ATP | Berlin | Carpet | ATP 500/250 | 1991-10-07 | 31 | Petr Korda |
| 1991 | ATP | Tel Aviv | Hard | ATP 500/250 | 1991-10-07 | 31 | Leonardo Lavalle |
| 1991 | ATP | Tokyo Indoor | Carpet | ATP 500/250 | 1991-10-07 | 47 | Stefan Edberg |
| 1991 | WTA | Zurich | Carpet | WTA Tour | 1991-10-07 | 31 | Steffi Graf |
| 1991 | ATP | Athens | Clay | ATP 500/250 | 1991-09-30 | 31 | Sergi Bruguera |
| 1991 | WTA | Leipzig | Carpet | WTA Tour | 1991-09-30 | 27 | Steffi Graf |
| 1991 | WTA | Milan | Carpet | WTA Tour | 1991-09-30 | 27 | Monica Seles |
| 1991 | ATP | Sydney Indoor | Hard | ATP 500/250 | 1991-09-30 | 47 | Stefan Edberg |
| 1991 | ATP | Toulouse | Hard | ATP 500/250 | 1991-09-30 | 31 | Guy Forget |
| 1991 | ATP | Basel | Hard | ATP 500/250 | 1991-09-23 | 31 | Jakob Hlasek |
| 1991 | WTA | Bayonne | Carpet | WTA Tour | 1991-09-23 | 31 | Manuela Maleeva Fragniere |
| 1991 | ATP | Brisbane | Hard | ATP 500/250 | 1991-09-23 | 31 | Gianluca Pozzi |
| 1991 | ATP | Palermo | Clay | ATP 500/250 | 1991-09-23 | 31 | Frederic Fontang |
| 1991 | WTA | St. Petersburg | Carpet | WTA Tour | 1991-09-23 | 31 | Larisa Savchenko |
| 1991 | ATP | Davis Cup G2 F: COL vs CHI | Clay | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup G2 F: TPE vs HKG | Hard | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: BEL vs ISR | Clay | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: BRA vs IND | Clay | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: CUB vs CAN | Hard | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: GBR vs AUT | Grass | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: ITA vs DEN | Clay | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: MEX vs NED | Clay | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: PHI vs SWE | Carpet | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG PO: SUI vs NZL | Carpet | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG SF: FRA vs YUG | Carpet | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | ATP | Davis Cup WG SF: USA vs GER | Clay | Davis Cup | 1991-09-20 | 4 | - |
| 1991 | WTA | Paris | Clay | WTA Tour | 1991-09-16 | 31 | Conchita Martinez |
| 1991 | WTA | Tokyo Nichirei | Hard | WTA Tour | 1991-09-16 | 27 | Monica Seles |
| 1991 | ATP | Davis Cup G2 F: KEN vs CIV | Clay | Davis Cup | 1991-09-13 | 4 | - |
| 1991 | ATP | Bordeaux | Hard | ATP 500/250 | 1991-09-09 | 31 | Guy Forget |
| 1991 | ATP | Brasilia | Carpet | ATP 500/250 | 1991-09-09 | 47 | Andres Gomez |
| 1991 | ATP | Geneva | Clay | ATP 500/250 | 1991-09-09 | 31 | Thomas Muster |
| 1991 | ATP | US Open | Hard | Grand Slam | 1991-08-26 | 127 | Stefan Edberg |
| 1991 | WTA | US Open | Hard | Grand Slam | 1991-08-26 | 127 | Monica Seles |
| 1991 | ATP | Long Island | Hard | ATP 500/250 | 1991-08-19 | 31 | Ivan Lendl |
| 1991 | ATP | Schenectady | Hard | ATP 500/250 | 1991-08-19 | 31 | Michael Stich |
| 1991 | WTA | Schenectady | Hard | WTA Tour | 1991-08-19 | 31 | Brenda Schultz Mccarthy |
| 1991 | WTA | Washington | Hard | WTA Tour | 1991-08-19 | 27 | Arantxa Sanchez Vicario |
| 1991 | ATP | Indianapolis | Hard | ATP 500/250 | 1991-08-12 | 55 | Pete Sampras |
| 1991 | WTA | Manhattan Beach | Hard | WTA Tour | 1991-08-12 | 55 | Monica Seles |
| 1991 | ATP | New Haven | Hard | ATP 500/250 | 1991-08-12 | 55 | Petr Korda |
| 1991 | WTA | Albuquerque | Hard | WTA Tour | 1991-08-05 | 31 | Gigi Fernandez |
| 1991 | ATP | Cincinnati Masters | Hard | Masters 1000 | 1991-08-05 | 55 | Guy Forget |
| 1991 | WTA | Montreal | Hard | WTA Tour | 1991-08-05 | 55 | Jennifer Capriati |
| 1991 | ATP | Prague | Clay | ATP 500/250 | 1991-08-05 | 31 | Karel Novacek |
| 1991 | ATP | Kitzbuhel | Clay | ATP 500/250 | 1991-07-29 | 47 | Karel Novacek |
| 1991 | ATP | Los Angeles | Hard | ATP 500/250 | 1991-07-29 | 31 | Pete Sampras |
| 1991 | WTA | San Diego | Hard | WTA Tour | 1991-07-29 | 27 | Jennifer Capriati |
| 1991 | ATP | San Marino | Clay | ATP 500/250 | 1991-07-29 | 31 | Guillermo Perez Roldan |
| 1991 | WTA | Fed Cup WG F: ESP vs USA | - | BJK Cup | 1991-07-28 | 2 | - |
| 1991 | WTA | Fed Cup WG SF: ESP vs GER | - | BJK Cup | 1991-07-27 | 2 | - |
| 1991 | WTA | Fed Cup WG SF: TCH vs USA | - | BJK Cup | 1991-07-27 | 2 | - |
| 1991 | ATP | Davis Cup G2 SF: CHI vs VEN | Clay | Davis Cup | 1991-07-26 | 4 | - |
| 1991 | ATP | Davis Cup G2 SF: CIV vs EGY | Hard | Davis Cup | 1991-07-26 | 4 | - |