<Tr> <Td> Women's doubles </Td> <Td> 21 players (10 as teams) </Td> <Td> 8 players (6 as teams) </Td> </Tr> <Tr> <Td> Mixed doubles </Td> <Td> 17 players (7 as teams) </Td> <Td> 4 players (2 as teams) </Td> </Tr> <P> Eight men and 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 and six women have achieved this (Rod Laver, Andre Agassi, Roger Federer, Rafael Nadal, Novak Djokovic; Margaret Court, Chris Evert, Martina Navratilova, Steffi Graf, Serena Williams and Maria Sharapova). </P> <P> Several singles players have won three major championships without achieving the Career Grand Slam, grouped by the missing Grand Slam tournament: </P>

Who has won a career grand slam in tennis
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