Wimbledon - The only Grand Slam which is held on grass courts.
July 2 to July 15 2018
The first tournament was played in 1877
at the All England Club in the London suburb of Wimbledon.
Rogers Cup - August 4-12 2018 (hard court)
Masters 1000 event - Men's August 4-18, 2018 in Toronto
and Women's in Toronto August 3-12 2018 in Montreal
US Open - August 27 to September 9 2018 (hard court)
The official website of the US Open
French Open / Roland-Garros (on clay)
May 21 to June 10, 2018
Indian Wells - March 4-17, 2019 (hard court)
Held at Indian Wells Tennis Garden, Indian Wells, California.