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 battled bravely before suffering a first-round defeat on her return to the US Open on Tuesday, losing in three sets to 11th seed Karolina Muchova.

For Alex Eala, the 20-year-old Filipina tennis prodigy, the latest page turned on the grand stage of Flushing Meadows -- where she became the first player from the Philippines to ever win a singles match in a Grand Slam main draw.

Alexandra Eala produced a jaw-dropping late comeback to carve out a piece of tennis history at the US Open on Sunday, becoming the first player from the Philippines to win a Grand Slam singles match with a first round upset of Danish 14th seed Clara Tauson.

Novak Djokovic’s first match at the US Open was a bit of a litmus test for the Serbian legend because he didn’t play a hardcourt warm-up tournament coming into the year’s final Grand Slam. The 24-time Grand Slam champion said he didn’t play the Cincinnati Open because he prefers to focus on the Grand Slams at this stage of his career.

Novak Djokovic fears his lack of physical conditioning may come back to haunt him as he chases a record 25th Grand Slam singles title at the US Open.