Venus Williams put up a fight. But she came up short Monday night after pushing No. 11 Karolína Muchová to a third set in the first round of the US Open.

Even at age 45, even after two years away from Grand Slam tennis, Venus Williams displayed some big serves and powerful groundstrokes at the U.S. Open on Monday night in front of a supportive crowd at Arthur Ashe Stadium,

Venus Williams, at 45, marked her return to Grand Slam competition at the US Open against Karolina Muchova, making her the oldest singles player since 1981. Despite early momentum shifts and chants of support,