It all started when the World No. 5 entered a verbal confrontation with his opponent Diego Schwartzman, who he claimed failed to acknowledge winning a point from a net cord.
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Medvedev, who is set to play in next week's men's ASB Classic, quickly turned his attention to chair umpire Mohamed Lahyani before bashing the chair with his racquet.
Daniil Medvedev is given a code violation warning by the umpire. Photo / Getty
"Nothing happened to the chair, nothing happened to anybody, I didn't break my racquet.
"To be honest, I felt like s***. It was tough ... at a few points in the match, I thought, OK I cannot do anything I am so tired physically, Diego was playing amazing. I knew I just had to continue to try to fight."
Medvedev said he didn't expect to receive any further penalty but would wait to see if there would be any further sanctions.
"It's not for me to decide, I don't know what the ATP will decide," he said.
"The second code violation for sure was deserved, so I don't argue.
"In fact, why I got the second one was because I was arguing with the first one, because I didn't hear it."
After winning the first set, Medvedev went on to lose the second following the incident, but bounced back to claim the match, taking out the decider.