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

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

World No. 1 Aryna Sabalenka was so sure that the umpire had made an incorrect call during her Stuttgart Open quarterfinal ...

Eva Lys took a photo of one of the ball marks that the electronic line calling system in Madrid called out and asked fans for ...

World No.2 Alexander Zverev has been warned for taking a picture of a ball mark at the Madrid Open as controversy over ...