Grand Slam (tennis) ten women have won Career Grand Slams in singles play (rows one and two); among them two men and five women have at least two Career Grand Slams in singles (column three). Since the beginning of the open era, five men (Rod Laver, Andre Agassi, Roger Federer, Rafael Nadal, Novak Djokovic) and six women (Margaret Court, Chris Evert, Martina Navratilova, Steffi Graf, Serena Williams and Maria Sharapova) have achieved this. Several singles players have won three major championships without achieving the Career Grand Slam, grouped by the "missing" Grand Slam tournament: Several doubles players have won three major championships without
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.