During a clay court match in Madrid, Zverev pointed out the discrepancy between where the ball landed and Hawk-Eye’s call.

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

The German was angry that a shot from Alejandro Davidovich Fokina was called in during their third-round match.

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MADRID — Top seeds Alexander Zverev and Aryna Sabalenka scored comfortable victories in their opening matches at the Madrid Open on Friday. Zverev cruised past home favorite Roberto Bautista ...

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.

Top-ranked Aryna Sabalenka rallied to defeat former doubles partner Elise Mertens in three sets and advance to the last 16 of the Madrid Open on Sunday. Top-seeded Alexander Zverev scraped past ...

Alexander Zverev took a picture of a ball mark after being incensed at a call during his win over Alejandro Davidovich Fokina (Manu Fernandez/AP) Alexander Zverev was warned for a taking a picture ...