Even at age 45, Venus Williams displayed some big serves and powerful groundstrokes at the U.S. Open on Monday night.

Venus Williams, 45, played her first Grand Slam match in two years Monday night at the US Open, displaying some big serves and powerful groundstrokes before losing 6-3, 2-6, 6-1 to Karolina Muchova at Arthur Ashe Stadium.

Venus Williams, at age 45, returned to the US Open and took No. 11 seed Karolina Muchova to three sets before losing in the first round.