Zverev warned for photo of ball mark at 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.
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.
