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 ...

MADRID — 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.

World No. 2 Alexander Zverev became the latest tennis player to question electronic line calling (ELC) on clay courts during a tight Madrid Open contest against Spain’s Alejandro Davidovich ...

April 28 (Reuters) - Alexander Zverev is convinced there was a defect in the electronic line calling system during his Madrid Open win on Sunday after the German risked a hefty fine by pulling out ...