Tsitsipas came out strong, giving Federer a run for his money from the first game and while Federer took the first set 6-7, Tsitsipas won the second set 7-6, the third 7-5 and the fourth 7-6.
"I respect her a lot, because I think she's young and has a great game".
"Hung in there, gave himself chances at some points, stayed calm".
Tsitsipas, a lanky guy who kept his scraggly hair in place with a pink headband, was the youngest man in the fourth round this year. "Credit to him for taking care of that", Federer said.
20-time grand slam champion Roger Federer has waived away conjecture over his loss to Stefanos Tsitsipas symbolising a "changing of guard" in the hierarchy of world tennis.
Federer said he wants to avoid having a long break in the middle of the year before the grass season. "So yeah, a little bit", he remarked. "He's always going to say stuff". From that standpoint, nothing new there. He's doing that. It's really nice for him. I actually did too.
Other than Federer, Tsitsipas has defeated big names like Dominic Thiem, Novak Djokovic, Alexander Zverev and Kevin Anderson among the top-ten players in the ATP ranking to announce his arrival.
"It's not easy to play these kind of players that you've been watching for so long and you finally get to play them", Tsitsipas said.
Federer couldn't take advantage of his opponent's plight and Tsitsipas sealed the win on his first match point in the third tiebreak of the match. "That was a good night for him tonight". "I'm really waiting for that moment".
"My idol today became pretty much my rival".
Asked if he could go all the way and lift the trophy, Tsitsipas replied: "For sure". That's why I'm here. 'That's why I'm playing, for the trophy, for the title. He lost the three previous French Open finals to Rafael Nadal. In another fourth round match, unseeded American Frances Tiafoe gifted himself the ideal 21st birthday present by stunning Bulgaria's Grigor Dimitrov 7-5, 7-6 (8-6), 6-7 (1-7), 7-5.