A spot in the 2021 Australian Open finals will be on the line when Daniil Medvedev faces Stefanos Tsitsipas. The match is set to begin at 3:30 a.m. ET on Friday. William Hill Sportsbook lists Medvedev as a -225 favorite, while Tsitsipas is going off at +175. 

Before you lock in any 2021 Australian Open men's semifinals or Medvedev vs. Tsitsipas picks or props, you MUST see who Sean Calvert is backing.

Calvert is the famed handicapper who called Stan Wawrinka winning the 2014 Australian Open at 60-1, the last Australian title won by someone other than Novak Djokovic or Roger Federer. In 2019, Calvert took down a huge score on Dominic Thiem winning Indian Wells at 80-1, among many stunning calls. And earlier this week Calvert correctly called Tsitsipas to upset Rafael Nadal in the quarterfinal, which paid +275.

Anyone following his picks is WAY UP!

Now, Calvert has released his analysis for Medvedev vs. Tsitsipas, including a play on the winner and a prop bet that pays PLUS MONEY! You ABSOLUTELY need to see Calvert's analysis of the 2021 Australian Open before you bet.

So who wins Medvedev vs. Tsitsipas? How many sets does the match last? And which wager could lead to a HUGE return? ... Join SportsLine right now to see Sean Calvert's top 2021 Australian Open semifinal pick, all from the acclaimed expert who called Stan Wawrinka winning the 2014 Australian Open at 60-1! -- Use promo code TENNIS to get your first month of SportsLine for a buck!