U.S. Open Women's Tennis Odds Favor Ashleigh Barty and Naomi Osaka on FanDuel Sportsbook.

The women's U.S. Open tennis tournament starts Aug. 30, and defending champion Naomi Osaka (+500) is one of the favorites to win this year, according to FanDuel Sportsbook. However, she trails world No. 1 Ashleigh Barty, who owns the best odds at +430 to win this Grand Slam.

The women's field is deep and competitive. Nine-time U.S. Open champion Serena Williams (+1200) remains a major threat, and Coco Gauff (+1400) is another player expected to contend.

Here are the current odds to win the U.S. Open women's tennis tournament, courtesy of FanDuel Sportsbook.

Women's U.S. Open Tennis Odds

1. Ashleigh Barty (+430)

2. Naomi Osaka (+500)

3. Iga Swiatek (+1100)

4. Serena Williams (+1200)

5. Bianca Andreescu (+1400)

6. Coco Gauff (+1400)

7. Aryna Sabalenka (+1400)

8. Simona Halep (+1400)

9. Karolina Pliskova (+1600)

10. Garbine Muguruza (+1800)

11. Barbora Krejcikova (+2200)

12. Victoria Azarenka (+2900)

13. Belinda Bencic (+2900)

14. Danielle Collins (+2900)

15. Petra Kvitova (+2900)

Sign up for FanDuel Sportsbook today and get your first bet risk free for up to $1,000!