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.

A Huge Weekend For 3 Kildare Clubs In Leinster Semi Final Action
Friday Afternoon Sports Update
Friday's Sports Update
Lorraine Woulfe Will Be Elected As New County Secretary
Thursday Morning Sports Update
Ireland's James Ryan Handed Three-Match Ban Following Red Card
Kildare County Council Honours Kildare Senior Football Team with Certificate of Recognition
Wednesday Morning Sports Update