<Tr> <Td> Roger Federer </Td> <Td> </Td> <Td> 2009 </Td> <Td> 2003 </Td> <Td> </Td> <Td> 27 years, 203 days </Td> </Tr> <Tr> <Td> Rafael Nadal </Td> <Td> 2009 </Td> <Td> 2005 </Td> <Td> 2008 </Td> <Td> </Td> <Td> 24 years, 101 days </Td> </Tr> <Tr> <Td> Novak Djokovic </Td> <Td> 2008 </Td> <Td> 2016 </Td> <Td> 2011 </Td> <Td> 2011 </Td> <Td> 29 years, 14 days </Td> </Tr> <P> (Winners of all four Grand Slam singles tournaments in the same calendar year) </P>

Who has won the most grand slams in male tennis