Paris, June 7 -- Before Novak Djokovic left the court after his French Open semi-final defeat, he put his racquet bags down on the clay and said a heartfelt goodbye to the Paris crowd.

He bent to touch the clay on Court Philippe Chatrier before holding his hand to his heart and waving to the 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 world number one Jannik Sinner in straight sets, is unsure if he will return, the BBC reported.

"This could have been the last match ever I played here - I don't know. That's why it was a bit more emotional at the end," said Djokovic.

"But if thi...