Stefanos Tsitsipas on Sunday beat Jannik Sinner to advance to the quarterfinals of the Australian Open.
The world No. 3 beat the Italian tennis player 6-4, 6-4, 3-6, 4-6, 6-3 at Rod Laver Arena.
"I felt like I spent an entire century on this court playing," Tsitsipas said.
"It felt so long. What a great night. That was superb, a ripper as they say here," he added, drawing laughter.
The 24-year-old Greek, who has reached the Australian Open semifinals thrice, is still looking for his maiden Grand Slam singles title.
Tsitsipas will take on Czech Jiri Lehecka in the quarterfinal round.
Korda beat Hurkacz with fifth-set tiebreak to reach quarters
US player Sebastian Korda on Sunday beat world No. 11 Hubert Hurkacz with a fifth-set tiebreak to reach the Australian Open quarterfinals.
Korda defeated the Polish 3-6, 6-3, 6-2, 1-6, 7-6[10-7] at Rod Laver Arena.
"It's awesome. Was brutal, just had a big lead, then lost it, then just somehow managed to just pull through. It wasn't easy, but I'm very happy with the way that it ended," said Korda.
"I think I'm really good at just kind of moving forward, learning from my mistakes, then using them in matches like this," he added.
Korda, 22, will face Russian Karen Khachanov in his maiden quarterfinal round.
Source: Anadolu Agency