Alexander Zverev returns to the Australian Open quarterfinals and faces Tommy Paul next Alexander Zverev of Germany plays a shot to Ugo Humbert of France during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Manish Swarup)
Tommy Paul of the U.S. consoles Alejandro Davidovich Fokina of Spain after a fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Vincent Thian)
Alejandro Davidovich Fokina of Spain reacts during a fourth round match against Tommy Paul of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Vincent Thian)
Alexander Zverev of Germany makes a backhand return to Ugo Humbert of France during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Vincent Thian)
Alejandro Davidovich Fokina of Spain listens to his coach during a fourth round match against Tommy Paul of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Vincent Thian)
Tommy Paul of the U.S. reacts during a fourth round match against Alejandro Davidovich Fokina of Spain at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Vincent Thian)
Alejandro Davidovich Fokina of Spain receives treatment during a fourth round match against Tommy Paul of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Vincent Thian)
Alexander Zverev of Germany returns a shot from Ugo Humbert of France during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Vincent Thian)
Ugo Humbert of France returns a shot from Alexander Zverev of Germany during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Manish Swarup)
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Alexander Zverev of Germany plays a shot to Ugo Humbert of France during their fourth round match at the Australian Open tennis championship in Melbourne, Australia, Sunday, Jan. 19, 2025. (AP Photo/Manish Swarup)