At Wimbledon in 2017, Medvedev was fined after emptying his wallet and throwing coins at umpire Mariana Alves following a five-set loss to Belgium's Ruben Bemelmans. He disputed a series of controversial calls and said after the match "it was very hot out there" and couldn't remember if he'd asked for Alves' removal.

A photographer walking on the court at match point sparked a decision that infuriated Daniil Medvedev and caused a six-minute delay.

Double fault! A photographer who walked onto the court in the middle of Daniil Medvedev’s first-round U.S. Open match against Benjamin Bonzi in New York City on Sunday, August 24 has been banned from the tennis tournament.