Italian fourth seed Jannik Sinner has withdrawn from the Paris Masters with fatigue.
Sinner's second-round match against American Mackenzie McDonald did not start until after midnight and finished at 02:37 local time on Thursday.
The 22-year-old was scheduled to play Australian Alex de Minaur in the third round later on Thursday.
"I am sorry to announce that I am withdrawing from today's match in Bercy," said Sinner on X.
"I finished the match when it was almost three in the morning and didn't go to bed until a few hours later. I had less than 12 hours to rest and prepare for the next game.