The 2021 U.S. Open is winding down in New York, with only four players remaining in the women's draw. On Thursday, both semifinal matches will take place, and the nightcap at 8:15 p.m. ET features a battle between Emma Raducanu and Maria Sakkari. Raducanu, who entered the tournament unranked, is on an unexpected and entertaining ride to this point. Sakkari is the No. 17 seed in the field, advancing after an upset win over Karolina Pliskova in the quarterfinals. 

The latest Raducanu vs. Sakkari odds from Caesars Sportsbook list Sakkari as the -162 favorite (risk $162 to win $100), while Raducanu is going off as the +130 underdog. The Over-Under for total games is set at 21.5. 

Before you make any Raducanu vs. Sakkari 2021 U.S. Open women's semifinals picks, you MUST see what Gavin Mair has to say.

A renowned women's tennis handicapper, Mair has cashed in huge at previous U.S. Open tournaments. He called Naomi Osaka (32-1) winning the 2018 U.S. Open and Bianca Andreescu (20-1) winning the 2019 U.S. Open. 

He also held a position on semifinalist Belinda Bencic (50-1) at the 2019 edition, and he nailed a +550 position on the second set of the 2021 Wimbledon final.

Now, Mair has broken down the latest 2021 U.S. Open women's semifinals odds and released his coveted best bets for Raducanu vs. Sakkari. He's locked in a pair of best bets, including the outright winner! You ABSOLUTELY need to see all of Mair's picks and analysis of Raducanu vs. Sakkari and the 2021 U.S. Open before you bet.

So who wins the Raducanu vs. Sakkari semifinal matchup? And which pick could lead to a BIG return? ... Join SportsLine right now to see Gavin Mair's top 2021 U.S. Open semifinal picks, all from the acclaimed expert who has crushed his tennis Grand Slam picks!