From Isner’s epic 11-hour battle to Nadal and Djokovic’s grueling 5-hour semifinal, these tennis marathons pushed athletes to their limits and redefined endurance in sport.

Back in 2023, Goran Ivanišević opened up about how he was convinced that the 22-time singles Grand Slam champion is going to make a robust comeback at the French Open after his injury woes.

Novak Djokovic, who was under the tutelage of Goran Ivanišević for a period of half a decade, previously announced a shocking split with the Croatian coach.Ever since the Serbian player parted ...