Piotr Szczerek posted an apology on social media Monday after video of the incident went viral over the weekend.

Polish tennis star Kamil Majchrzak met a young fan to give him a new hat at the US Open after CEO Piotr Szczerek initially grabbed one intended for the child.

The U.S. Open on Wednesday clarified its rules about players changing their shirts during a match a day after a women's player was penalized for doing so.

Piotr Szczerek, the millionaire who snatched a gift hat out if the hands of child at the US Open now has something to say.

U.S. Open officials have apologized for a controversial incident that occurred Tuesday, in which a female tennis player was penalized for taking off her shirt briefly.