MADRID (AP) — Top-seeded Alexander Zverev got a warning from the umpire for taking a photo of a ball mark during the clay-court Madrid Open on Sunday after complaining about electronic line-calling.

MADRID (AP) — Top seeds Alexander Zverev and Aryna Sabalenka scored comfortable victories in their opening matches at the Madrid Open on Friday. Zverev cruised past home favorite Roberto Bautista Agut ...

(CNN) — Alex Zverev was given a warning for unsportsmanlike conduct after using his phone to take a photo of a disputed ball mark in the middle of his 2-6, 7-6(3), 7-6(0) win over Spain’s Alejandro ...

Alexander Zverev said he will speak to the ATP about the issues with the electronic line-calling system on clay courts. The German faced controversy during his third-round match at the Madrid Open.

Alexander Zverev beat Alejandro Davidovich Fokina to reach the last 16 in Madrid He was warned after taking a picture of a backhand which he believed went wide Alexander Zverev was given a warning for ...