American actor Ben Stiller, Colombian singer J Balvin, and a host of other celebrities attended Carlos Alcaraz's fourth-round match at the 2023 US Open.Alcaraz secured his place in the fourth round at Flushing Meadows for the third consecutive year by defeating Daniel Evans 6-2, 6-3, 4-6, 6-3 in three hours and 10 minutes on Saturday.Now, the Spaniard is facing off against Italy's Matteo Arnaldi at the iconic Arthur Ashe Stadium for a spot in the quarterfinals. This is the first time these two players meet on the court, so their head-to-head record currently stands at 0-0.The match is a star-studded affair, with notable attendees such as avid tennis fan Ben Stiller, basketball player Jimmy Butler, and musician J Balvin.Watch the clip below:Butler and Balvin arrived at the match wearing matching outfits, which they complemented with stylish cowboy hats."Would love to be part of tournament history" - Carlos Alcaraz keen to become first player since Roger Federer to defend US Open titleCarlos Alcaraz at the 2023 US OpenFollowing his third-round victory over Daniel Evans, Carlos Alcaraz moved one step closer to becoming the first male player to successfully defend the US Open title since Roger Federer.Alcaraz defeated Evans for a spot in the fourth round. The defending champion showcased his prowess by delivering an astounding 60 winners throughout the night, surpassing Evans' 28 winners and extending their head-to-head record to 3-0.No male player has achieved back-to-back victories at the US Open since Roger Federer, who claimed an impressive five titles consecutively from 2004 to 2008. During his on-court interview, the Spaniard openly expressed his desire to make history at the New York major, following in the footsteps of the Swiss maestro."Well, of course, I watch the draw and I see the opponents that I can play against. But, obviously, I am focussed day by day," Carlos Alcaraz stated."Defending the title here is a goal for me. I am looking for that. I know that no one has defended the title here since Roger Federer so I would love love to be part of the tournament history," he added.In his first-round match, Carlos Alcaraz defeated Dominik Koepfer, with the German forced to retire during the second set while trailing 2-6, 2-3.Moving on to the second round, Lloyd Harris aimed to challenge the 20-year-old. Harris managed to push the match to a tie-break in the third set but could not halt Alcaraz's momentum, who sailed through with a commanding 6-3, 6-1, 7-6(4) triumph.