The tournament is taking place in Paris.
The men's semi finals take place today at the French Open in Paris.
13 time champion Rafael Nadal of Spain faces Germany's Alexander Zverev.
Nadal turns 36 today and is bidding for a 22nd Grand Slam title.
The other last four encounter sees Norway's Casper Ruud to go head to head with Croatia's Marin Cilic.

Bohemians And Shamrock Rovers Go Head-To-Head In Tonight's League Of Ireland Premier Division
The Draws For Last-16 Of Europa League Have Been Made
Ballot To Elect Successor Of Jarlath Burns Included In Today's GAA Annual Conference At Croke Park
Friday Morning Sports Update
Kildare County Council To Host Equine Summit At Curragh Racecourse
James Lowe Ruled Out For The Remainder Of Ireland's Six Nations Campaign
Senior Coach Mike Prendergast To Leave Munster At The End Of The Season
Kildare Senior Hurling Allianz League Divison 1B Sunday Game Rescheduled