Exciting Matches on Day 4 of US Open: Jessica Pegula vs Karolina Muchova and Emma Navarro vs Aryna Sabalenka live on Sky Sports

In a thrilling match-up at the US Open, American tennis player Jessica Pegula is set to face off against Czech player Karolina Muchova in a highly anticipated showdown. Pegula, who is ranked 23rd in the world, will be looking to continue her impressive form and make a deep run in the tournament.

On the other side of the bracket, rising star Emma Navarro will be taking on Belarusian powerhouse Aryna Sabalenka. Navarro, a promising young talent, will be facing a tough challenge in Sabalenka, who is currently ranked 2nd in the world.

Tennis fans can expect some exciting and competitive matches as these four players battle it out on the court. With a spot in the quarterfinals on the line, both Pegula and Muchova will be looking to bring their A-game, while Navarro and Sabalenka will be determined to advance to the next round.

Stay tuned to Sky Sports for all the latest updates and coverage of the US Open as these talented players compete for glory on one of the biggest stages in tennis.