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

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

In a dramatic and highly unusual scene at the Madrid Open, Alexander Zverev found himself at the center of controversy during ...

Alexander Zverev was involved in a huge bust-up at the Madrid Open as the unravelling discontent over electronic line calling ...

Zverev took a phone from his bag and took a photo of the mark, for which he received the warning for unsportsmanlike conduct ...

Boris Becker has no doubt that Alexander Zverev was fully right during his Madrid Open protest.

Alexander Zverev shared a surprising moment on Instagram after his match at the Madrid Open. During his third-round clash ...

Alexander Zverev has just shared the photo he took during his Madrid Masters third-round match while heavily questioning the ...

World number two Alexander Zverev was taken to the limit by Alejandro Davidovich Fokina in a gripping Madrid Open third round ...

Alexander Zverev was given a warning for taking a picture of ball mark that was in dispute, adding to the controversy over ...

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

Only Roger Federer (26) has won more of his first 30 matches in the men's singles at the Madrid Open than Alexander Zverev ...