Defending Wimbledon champion Carlos Alcaraz lost serve five times in the last two sets against Ugo Humbert but recovered after that late slump to advance to the quarter-finals.
Jannik Sinner kept himself on course for a semi-final showdown with reigning Wimbledon champion Carlos Alcaraz by dispatching Serbian Miomir Kecmanovic in round four.
Carlos Alcaraz was Wimbledon's marathon man as he outlasted American Frances Tiafoe 5-7 6-2 4-6 7-6 (2) 6-2 in a five-set Centre Court classic.
Carlos Alcaraz survived a first-set wobble before racing into the Wimbledon third round following a 7-6 (5) 6-2 6-2 against Aleksandar Vukic.
Carlos Alcaraz got his Wimbledon title defence off to an encouraging start with a 7-6 (3) 7-5 6-2 victory against Estonian qualifier Mark Lajal on Centre Court.
The men's singles tournament at Wimbledon is the most open for 20 years, according to world number four Alexander Zverev.