Top Seed Sabalenka Eyes Second US Open Final Appearance.

Tennis US Open

Top Seed Sabalenka Eyes Second US Open Final Appearance.

Aryna Sabalenka has been the standout favorite for this year's US Open since her arrival in New York.

The Belarusian world number two, Aryna Sabalenka, is the top-ranked player remaining in this year's US Open and is eager to build on her two Australian Open titles. 

Having finished as the runner-up at Flushing Meadows last year, Sabalenka will face American Emma Navarro in the semifinals on Thursday.

The other semifinal will feature Jessica Pegula, representing the US, against Karolina Muchova.

BBC Sport explores the form and stories of these four standout semifinalists.