Jessica Pegula's sister, Kelly, made her opinion clear on what she thinks is the one tennis question that annoys her the most. Pegula comes from a family of sports enthusiasts, with her parents, Kim and Terry Pegula, owning NFL and NHL teams Buffalo Bills and Buffalo Sabres.Kelly, the second-born child of Kim and Terry Pegula, is often seen in the player's box cheering for her sister at her matches. Alongside her brother Matthew, the world No. 7 also has a step-brother, Michael, who is the eldest, and a step-sister, Laura, who also used to be a tennis player.During the US Open this year, Pegula debuted a podcast, along with compatriots Madison Keys, Jennifer Brady, and Desirae Krawczyk, called The Player’s Box. On a recent episode of the show, the tennis stars discussed how random people asking them for match tickets irk them and shared fun stories about it. View this post on Instagram Instagram PostA snippet from the show was posted on Instagram, to which Kelly chimed in and added what question she hates being asked by people during her sister's matches."It’s the “what time do you play” for meee? “Google says 1:30!”," she commented under the clip.Screenshot via @theplayersboxpod on Instagram, dated September 13, 2025.Jessica Pegula's run at the US Open this year concluded with a 4-6, 6-3, 6-4 defeat against Aryna Sabalenka. The Belarusian eventually went on to win the title by ousting Amanda Anisimova in the final.Jessica Pegula shares 'gross' US Open experienceJessica Pegula shared a 'gross' experience she had during the US Open this year. She spoke about experiencing enduring pain in her back during her quarterfinal clash against Barbora Krejcikova. She eventually went on to win that match in straight sets.On an earlier episode of The Player's Box, Pegula confessed that she took a bathroom break to get some relief from her back spasm. Even though she got some exercise to relieve her pain, she was grossed out by the condition of the bathroom."So I went to the bathroom slowly because I needed to lay down on the floor and do some core exercises because my back was spasming up. I did like core and activation stuff. So, I took two towels with me, and there were towels in there, and the bathroom of Ashe was like gross, so I lay down the towels," she said.Jessica Pegula will next be representing the USA at the Billie Jean King Cup Finals, starting from September 16 in Shenzhen, China.