Here are the top 10 players for the 2017 year-end ATP World Tour rankings, with Rafael Nadal and Roger Federer in the top 2, for the first time since 2010.
1. Rafael Nadal (Spain): The King of Clay made history winning his 10th Roland Garros title. 6 titles won, including 2 Grand Slams, in 2017: Beijing - US Open - Roland Garros - ATP World Tour Masters 1000 Madrid - Barcelona - ATP World Tour Masters 1000 Monte Carlo.
2. Roger Federer (Switzerland): The Swiss Maestro won his 19th Grand Slam this season. Oldest player (36) with 7 titles won, including 2 Grand Slams, in 2017: Basel - ATP World Tour Masters 1000 Shanghai - Wimbledon - Halle - ATP World Tour Masters 1000 Miami - ATP World Tour Masters 1000 Indian Wells - Australian Open.
3. Grigor Dimitrov (Bulgaria): Impressive end of the season winning the ATP Finals. 4 titles won in 2017: Nitto ATP Finals - ATP World Tour Masters 1000 Cincinnati - Sofia -Brisbane.
4. Alexander Zverev (Germany): Youngest player (20) with 5 titles won in 2017. ATP World Tour Masters 1000 Canada - Washington - ATP World Tour Masters 1000 - Rome - Munich - Montpellier.
5. Dominic Thiem (Austria): 1 title won and 2 finals in 2017: Rio de Janeiro - Finalist at: ATP World Tour Masters 100 Madrid - Barcelona.
6. Marin Cilic (Croatia): Challenged Federer at Wimbledon finals. 1 title won and 2 finals in 2017: Istanbul - Finalist at: Wimbledon - London / Queen's Club.
7. David Goffin (Belgium): Finished the season making it all the way at the ATP Finals. 2 titles won and 3 finals in 2017: Tokyo - Shenzhen - Finalist at: Nitto ATP Finals - Rotterdam - Sofia.
8. Jack Sock (USA): First American to finish top 10 since 2011. 3 titles won and 3 finals in 2017: ATP World Tour Masters 1000 Paris - Delray Beach - Auckland - Finalist at: Stockholm - Houston - Auckland.
9. Stan Wawrinka (Switzerland): Former world number 4 is recovering from a knee injury that kept him out most of the season. 1 title won and 2 finals in 2017: Geneva - Finalist at: Roland Garros - ATP World Tour Masters 1000 Indian Wells.
10. Pablo Carreno Busta (Spain): Broke into the top 10 for the first time in his career. 1 title won and 1 final in 2017: Estoril - Finalist at: Rio de Janeiro.
For the second time in history, both Nadal and Federer won all 4 Grand Slams during the same year, last time this happened was back in 2010. Delighting fans all over the world this year with their comeback and greatness, Roger and Rafa proved once again that age is just a number.