Zverev complained about a fan using Nazi language during a US Open match.
The incident occurred during Zverev's match against Jannik Sinner.
Zverev pointed out the fan's offensive language to the chair umpire.
The fan was identified and ejected from the stadium by security.
Zverev expressed his discomfort with the Hitler-related remarks.
Despite the distraction, Zverev eventually won the match in five sets.
Zverev downplayed the incident, stating it was the fan's loss.
Zverev advanced to the quarterfinals to face Carlos Alcaraz.