Grand Slam (tennis) four players (Agassi, Federer, Nadal, Djokovic) achieved their career grand slam on three different surfaces: hard court, clay, and grass. Each woman's "first wins" in the four majors are listed chronologically and their ages upon completion of the Career Grand Slam are given in brackets. Five of the ten women achieved at least two Career Grand Slams, two of the ten have achieved three Career Grand Slams and Steffi Graf is the only player to achieve four Career Grand Slams. At Men's Doubles, 21 players have won the Career Grand Slam, including fourteen who achieved the Career Grand Slam with
1981 Grand Prix (tennis) Jimmy Connors (USA) 4. José Luis Clerc (Arg) 5. Guillermo Vilas (Arg) 6. Björn Borg (Sue) 7. Roscoe Tanner (USA) 8. Eliot Teltscher (USA) 9. Vitas Gerulaitis (USA) 10. Yannick Noah (Fra) The list of winners and number of singles titles won, alphabetically by last name: The following players won their first title in 1981: 1981 Grand Prix (tennis) The 1981 Volvo Grand Prix was the only men's professional tennis circuit held that year. It consisted of the four Grand Slam tournaments and the Grand Prix tournaments. The World Championship Tennis (WCT) Tour was incorporated into the Grand Prix circuit.