Before Novak Djokovic left the court after his French Open semi-final defeat, he put his racquet bags down on the clay and waved an emotional goodbye to the Paris crowd.
It felt like a final farewell for a player who turned 38 last month.
Or will it prove to be 'au revoir' until they meet again next year?
Three-time champion Djokovic, who lost a tight battle with current world number one Jannik Sinner in straight sets, is unsure if he will return.
"This could have been the last match ever I played here - I don't know.