Third seed Daniil Medvedev was forced to dig deep into his reserves to outlast Hubert Hurkacz 7-6(4), 2-6, 6-3, 5-7, 6-4 in the tightest of quarterfinals on Wednesday and reach the last four of the Australian Open for third time.

"I need to take a little bit of time to breathe because my heart I feel is going to jump out of my body," Yastremska said.