PIX: Zverev drops set, but joins Alcaraz in quarters

IMAGE: Germany's Alexander Zverev celebrates winning his Australian Open fourth round match against France's Ugo Humbert at Melbourne Park on Sunday. Photograph: Jaimi Joy/Reuters World number two......

Alcaraz drops set to Italian qualifier Nardi in Doha

IMAGE: Spain's Carlos Alcaraz in action during his Qatar Open Round of 16 match against Italy's Luca Nardi, at Khalifa International Tennis and Squash Complex, Doha, on Wednesday. Photograph:......

Djokovic stunned by Berrettini in Qatar Open opener

World Mo. 6 Matteo Berrettini had lost all four of his previous matches against the Serbian. IMAGE: Italy's Matteo Berrettini celebrates victory over Serbia's Novak Djokovic in the first round of......

Fritz loses in quarters; Fonseca wins marathon battle

IMAGE: Taylor Fritz was shocked by Alejandro Davidovich Fokina in the quarter-finals of the Delray Beach Open on Friday. Photograph: Mike Frey-Imagn Images/Reuters Top seed Taylor Fritz of the......

Sinner seeks to maintain dominance over Shelton

IMAGE: Jannik Sinner holds a 4-1 head-to-head record against Ben Shelton but the 23-year-old Italian remains cautious ahead of their clash. . Photograph: Kim Kyung-Hoon/Reuters World number one......