Pittsburgh Pirates hurler Paul Skenes' girlfriend, Olivia Dunne, is enjoying her time away from baseball as the former LSU gymnast has been attending US Open matches.Olivia Dunne shared a snippet from Wednesday's slate of matches in her social media post. In her Instagram post, Dunne donned a chic white dress with a US Open cap. She captioned her story:"We are so back."(Image source - Olivia Dunne Instagram)Dunne was at the venue for the second round of the tournament and shared a picture of three-time Grand Slam winner Carlos Alcaraz. The second-seed Alcaraz, who faced Italian Mattia Bellucci, was in action in the former LSU star's second story."Now that's a serve," Dunne captioned the picture of Alcaraz serving.(Image source - Olivia Dunne Instagram)The 2022 champion was relentless on the night, dispatching World No. 65 Bellucci in straight sets, 6-1, 6-0, 6-3, to make it to the next round. Alvarez will face 32nd-seeded Italian Luciano Darderi next.If he continues extending his eight-game winning streak, the 22-year-old Spaniard could face Novak Djokovic in a potential semi-final bout.