By Amy Tennery and Shrivathsa Sridhar NEW YORK (Reuters) -Defending U.S. Open champion Aryna Sabalenka was given an early test before she moved into the second round while Emma Raducanu won her first match at the Grand Slam since her 2021 triumph as the tournament began a day earlier than usual on Sunday.

Emma Raducanu bagged her first US Open victory since her fairytale 2021 title triumph on Sunday with a straight sets demolition of Japanese qualifier Ena Shibahara.

Venus Williams will compete in women’s doubles at the U.S. Open after receiving a wild-card entry with 2021 singles runner-up Leylah Fernandez on Tuesday. The 45-year-old Williams is appearing at her first Grand Slam tournament in two years after making a comeback to pro tennis in July following 16 months away from the tour.

Venus Williams will compete in women’s doubles at the U.S. Open after receiving a wild-card entry Tuesday with 2021 singles runner-up Leylah Fernandez. The 45-year-old Williams is appearing at her first Grand Slam tournament in two years after making a comeback to pro tennis in July following 16 months away from the tour.

While the tennis legend lost in three sets to No. 11 seed Karolina Muchova in Monday's singles match, ESPN's D'Arcy Maine reported she was awarded a wild-card entry into the women's doubles draw Tuesday.