Novak Djokovic goes up against American Aleksander Kovacevic.
Novak Djokovic gets his French Open campaign underway later.
The two-time champion goes up against American Aleksander Kovacevic at Roland Garros from 12pm.
World number one Carlos Alcaraz faces Flavio Cobolli this afternoon.
In the women's singles, Karolina Pliskova is in the early stages of her match against Sloane Stephens.
Home favourite Caroline Garcia is due on court later.

Tuesday Morning Sports Update
All Ireland Football Championship Opening Round Fixtures Confirmed
Tommy O'Brien Among Injury Doubts For Leinster's Champion Cup Final On Saturday
Monday Morning Sports Update
Sunday Evening Sports Update
Mourinho's Benefica Go Unbeaten but Miss Title
Brave Kildare Fall Short in Leinster Ladies Final
Chelsea Appoint Xabi Alonso as New Manager