US Open 2016: Novak Djokovic advances to semis after another injury-hit match

World number one Djokovic held serve at love to close out the set for a 6-3 6-2 lead but the Frenchman walked off to give the Serbian passage into the U.S. Open last four for the 10th consecutive time.

It has been a strange slam for Djokovic, who has played only two full matches in the tournament, gifted by a walkover in the second round and a retirement after six games in the third round before his abbreviated match with Tsonga.

Djokovic advanced to a semi-final against France’s 10th seed Gael Monfils, who beat compatriot Lucas Pouille in straight sets. Monfils has yet to beat Djokovic in 12 career meetings.