Alexander Zverev is convinced there was a defect in the electronic line calling system during his Madrid Open win on Sunday ...

There is no doubt that Jannik Sinner's three-month ban represented a huge chance especially for Alexander Zverev and Carlos ...

Top seed Alexander Zverev was warned for a taking a picture of a contested ball mark at the Madrid Open during more electric ...

Top-seeded Alexander Zverev got a warning from the umpire for taking a photo of a ball mark during the clay-court Madrid Open ...

Find out how to watch, live stream, TV channel, tournament information, & more for Alexander Zverev vs. Francisco Cerundolo ...

Top-seeded Alexander Zverev got a warning from the umpire for taking a photo of a ball mark during the clay-court Madrid Open ...

Alex Zverev was given a warning for unsportsmanlike conduct after using his phone to take a photo of a disputed ball mark in ...

Alexander Zverev battled past Alejandro Davidovich Fokina at the Madrid Masters. The former champion prevailed 2-6, 7-6, 7-6 ...

"I mean, I honestly think there was a defect in the system," Zverev told the media in Madrid. "I think there was a mistake in ...

Top-ranked Aryna Sabalenka has rallied to defeat former doubles partner Elise Mertens in three sets and advance to the last ...

The top seed took issue with numerous electronic line calls and was issued a code violation through a three-set win over Alejandro Davidovich Fokina.

Alexander Zverev is convinced there was a defect in the electronic line calling system during his Madrid Open win on Sunday ...