Jannik Sinner, the world's top-ranked player, looks to win his second consecutive Grand Slam event as well as his second straight Australian Open championship when he battles eighth-seeded Ben Shelton in the men's semifinals of the 2025 Australian Open on Thursday. Sinner is looking to become the first back-to-back Australian Open champ since Novak Djokovic won three in a row from 2019 to 2021. Sinner advanced to the semifinals with a 6-3, 6-2, 6-1 win over Alex De Minaur in the quarterfinals. Shelton defeated Lorenzo Sonego 6-4, 7-5, 4-6, 7-6 (4) in his quarterfinal match.

Sinner is a -1400 favorite (risk $1400 to win $100) in the latest Sinner vs. Shelton odds, while Shelton is a +700 underdog. The over/under for total games is 32.5, with Sinner favored by 6.5 games. Before you make any Sinner vs. Shelton picks or 2025 Australian Open predictions, you need to see what tennis expert Jose Onorato has to say.

Onorato, who holds dual degrees in finance and economics from the University of Miami, does extensive research before placing any tennis bets. He studies current form, players' tendencies on a particular surface, weather conditions and many other relevant factors. That systematic approach has helped Onorato go 168-106-9 (+107.12 units) since 2022. In the 2024 French Open, he correctly picked Iga Swiatek (-160) to win the women's title.

Now, Onorato has taken a close look at this Sinner vs. Shelton Australian Open men's singles semifinal from all sides and locked in his best bets! You ABSOLUTELY need to see what they are before locking in any 2025 Australian Open picks of your own!

So where does all the value lie in the Sinner vs. Shelton Australian Open semifinal? And what spread bet is a must-back? ... Join SportsLine right now to see Jose Onorato's predictions and analysis for the 2025 Australian Open men's singles semifinal, all from the tennis expert who is 168-106-9 since 2022!