The World No. 2, Coco Gauff's father, Corey Gauff, has defended her daughter while highlighting her work ethic ahead of her US Open run. She was last seen in action at the 2025 Cincinnati Masters tournament, where she lost to the former World No. 4 Jasmine Paolini.Coco began her season with a successful run at the 2025 United Cup. She defeated the notable player, Iga Swiatek, in the final and remained undefeated throughout the tournament. She later clinched the 2025 French Open after beating the World No. 1, Aryna Sabalenka. At the 2025 Canadian Open, she lifted the doubles title trophy with fellow American, former World No. 30, McCartney Kessler.However, Coco's Cincinnati Open tournament run ended with a quarterfinal loss to a three-time WTA Tour singles title and nine doubles title winner. Through her recent Instagram post, her father, Corey Gauff, defended her when a fan expressed her thoughts on her performance.The fan wrote:"Coco I love you but honestly you need to put in the work and show that you can be a great tennis player, study the game and work on footwork, forehand and serve , get a team that will prepare you for when it gets tight in a match , the pathway to the final was clear for you in Cincy but with these issues a lot of opportunities will pass you by and other rising stars are coming up . Time is now"To which Coco Gauff's father replied:"@chisom_zee whatever you want to say but never criticize the work ethic because it's next level that's a fact"Screenshot of Coco Gauff's Instagram post | Source: IG/@cocogauffThe father of the tennis star, Corey Gauff, and mother, Candi Gauff, have impressive backgrounds in sports and have supported the player throughout her career.Coco Gauff will remain absent from the 2025 US Open Mixed Doubles ChampionshipCoco Gauff at the TENNIS: AUG 15 Cincinnati Open - Source: GettyThe winner of ten WTA singles and doubles titles, Coco Gauff, will not play in the 2025 US Open Mixed Doubles Championship. She said that due to prior commitments and a packed schedule, she would miss the doubles tournament.“The free week of the US Open is already packed for me, for sponsor things, and it was just like a whole other thing. I’m very competitive, if I were to lose, I would not be happy," she added, via Olympics.com.The event will be held from August 19 to 20 during the first week of the US Open.