Stefanos Tsitsipas credited "experience and a good Spartan attitude" after surging into his third straight AO semifinal.
The 21-time major champion is tired of having his injuries questioned, but motivated to prove the doubters wrong.
How good was Novak Djokovic in his fourth-round encounter with Alex de Minaur. Too good, says the Aussie.
"Being the only guy remaining in the tournament that has won a Grand Slam, of course flatters me," Novak Djokovic said.
The Americans have three quarterfinalists at a Slam for the first time in 18 years.
"I said twice I'm going to quit tennis," Donna Vekic confessed of her knee issues. Now she's in the AO quarterfinals.
Undefeated Aryna Sabalenka shares how she fixed her once volatile serve.
