Tournaments
| Year | Tour | Tournament | Surface | Level | Dates | Matches | Champion |
|---|---|---|---|---|---|---|---|
| 1988 | ATP | US Open | Hard | Grand Slam | 1988-08-29 | 127 | Mats Wilander |
| 1988 | WTA | US Open | Hard | Grand Slam | 1988-08-29 | 127 | Steffi Graf |
| 1988 | WTA | Mahwah | Hard | WTA Tour | 1988-08-22 | 27 | Steffi Graf |
| 1988 | ATP | Rye Brook | Hard | ATP 500/250 | 1988-08-22 | 31 | Milan Srejber |
| 1988 | ATP | Cincinnati | Hard | Masters 1000 | 1988-08-15 | 63 | Mats Wilander |
| 1988 | ATP | Livingston | Hard | ATP 500/250 | 1988-08-15 | 31 | Andre Agassi |
| 1988 | WTA | Montreal | Hard | WTA Tour | 1988-08-15 | 55 | Gabriela Sabatini |
| 1988 | WTA | Los Angeles | Hard | WTA Tour | 1988-08-08 | 55 | Chris Evert |
| 1988 | ATP | Montreal / Toronto | Hard | Masters 1000 | 1988-08-08 | 55 | Ivan Lendl |
| 1988 | ATP | Prague | Clay | ATP 500/250 | 1988-08-08 | 31 | Thomas Muster |
| 1988 | WTA | Sofia | Hard | WTA Tour | 1988-08-08 | 31 | Conchita Martinez |
| 1988 | ATP | St. Vincent | Clay | ATP 500/250 | 1988-08-08 | 31 | Kent Carlsson |
| 1988 | WTA | Athens | Clay | WTA Tour | 1988-08-01 | 31 | Isabel Cueto |
| 1988 | WTA | Cincinnati | Hard | WTA Tour | 1988-08-01 | 31 | Barbara Potter |
| 1988 | ATP | Indianapolis | Hard | ATP 500/250 | 1988-08-01 | 55 | Boris Becker |
| 1988 | ATP | Kitzbuhel | Clay | ATP 500/250 | 1988-08-01 | 63 | Kent Carlsson |
| 1988 | WTA | San Diego | Hard | WTA Tour | 1988-08-01 | 31 | Stephanie Rehe |
| 1988 | WTA | Aptos | Hard | WTA Tour | 1988-07-25 | 31 | Sara Gomer |
| 1988 | ATP | Bordeaux | Clay | ATP 500/250 | 1988-07-25 | 31 | Thomas Muster |
| 1988 | WTA | Hamburg | Clay | WTA Tour | 1988-07-25 | 55 | Steffi Graf |
| 1988 | ATP | Hilversum | Clay | ATP 500/250 | 1988-07-25 | 31 | Emilio Sanchez |
| 1988 | ATP | Stratton Mountain | Hard | ATP 500/250 | 1988-07-25 | 63 | Andre Agassi |
| 1988 | ATP | Davis Cup G1 F: ARG vs USA | Clay | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup G1 F: AUT vs GBR | Clay | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup G1 F: INA vs KOR | Clay | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup G1 F: URS vs NED | Clay | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup G2 F: HKG vs PAK | Hard | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup G2 F: IRL vs GRE | Grass | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup G2 F: URU vs VEN | Clay | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup G2 F: ZIM vs EGY | Hard | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup WG SF: FRG vs YUG | Carpet | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | ATP | Davis Cup WG SF: SWE vs FRA | Clay | Davis Cup | 1988-07-22 | 4 | - |
| 1988 | WTA | Aix en Provence | Clay | WTA Tour | 1988-07-18 | 55 | Judith Wiesner |
| 1988 | ATP | Schenectady | Hard | ATP 500/250 | 1988-07-18 | 31 | Tim Mayotte |
| 1988 | WTA | Schenectady | Hard | WTA Tour | 1988-07-18 | 31 | Gretchen Magers |
| 1988 | ATP | Washington | Hard | ATP 500/250 | 1988-07-18 | 55 | Jimmy Connors |
| 1988 | ATP | Bastad | Clay | ATP 500/250 | 1988-07-11 | 47 | Marcelo Filippini |
| 1988 | WTA | Brussels | Clay | WTA Tour | 1988-07-11 | 31 | Arantxa Sanchez Vicario |
| 1988 | WTA | Newport | Grass | WTA Tour | 1988-07-11 | 31 | Lori Mcneil |
| 1988 | WTA | Nice | Clay | WTA Tour | 1988-07-11 | 31 | Sandra Cecchini |
| 1988 | ATP | Stuttgart Outdoor | Clay | ATP 500/250 | 1988-07-11 | 47 | Andre Agassi |
| 1988 | WTA | Bastad | Clay | WTA Tour | 1988-07-04 | 31 | Isabel Cueto |
| 1988 | ATP | Boston | Clay | ATP 500/250 | 1988-07-04 | 55 | Thomas Muster |
| 1988 | ATP | Gstaad | Clay | ATP 500/250 | 1988-07-04 | 31 | Darren Cahill |
| 1988 | ATP | Newport | Grass | ATP 500/250 | 1988-07-04 | 31 | Wally Masur |
| 1988 | ATP | Wimbledon | Grass | Grand Slam | 1988-06-20 | 127 | Stefan Edberg |
| 1988 | WTA | Wimbledon | Grass | Grand Slam | 1988-06-20 | 127 | Steffi Graf |
| 1988 | ATP | Athens | Clay | ATP 500/250 | 1988-06-13 | 31 | Horst Skoff |
| 1988 | ATP | Bristol | Grass | ATP 500/250 | 1988-06-13 | 47 | Christian Saceanu |
| 1988 | WTA | Eastbourne | Grass | WTA Tour | 1988-06-13 | 63 | Martina Navratilova |
| 1988 | ATP | Davis Cup G1 PO: BUL vs ROU | Clay | Davis Cup | 1988-06-10 | 4 | - |
| 1988 | ATP | Davis Cup G1 PO: HUN vs BEL | Clay | Davis Cup | 1988-06-10 | 4 | - |
| 1988 | ATP | Davis Cup G1 SF: AUT vs NGR | Clay | Davis Cup | 1988-06-10 | 4 | - |
| 1988 | ATP | Davis Cup G1 SF: NED vs SEN | Clay | Davis Cup | 1988-06-10 | 4 | - |
| 1988 | ATP | Davis Cup G1 SF: POR vs URS | Clay | Davis Cup | 1988-06-10 | 4 | - |
| 1988 | ATP | Davis Cup G2 SF: GRE vs POL | Clay | Davis Cup | 1988-06-10 | 3 | - |
| 1988 | ATP | Davis Cup G2 SF: IRL vs NOR | Grass | Davis Cup | 1988-06-10 | 4 | - |
| 1988 | WTA | Birmingham | Grass | WTA Tour | 1988-06-06 | 55 | Claudia Kohde Kilsch |
| 1988 | ATP | Bologna | Clay | ATP 500/250 | 1988-06-06 | 31 | Alberto Mancini |
| 1988 | ATP | Queen's Club | Grass | ATP 500/250 | 1988-06-06 | 63 | Boris Becker |