Friday's second semifinal at the 2020 French Open features top-seeded Novak Djokovic against fifth-seeded Stefanos Tsitsipas. Djokovic is a -300 favorite, with Tsitsipas getting +230. Before you make any picks on this must-see match, you NEED to see who Sean Calvert is picking.

Calvert is the famed handicapper who took down a huge score on Dominic Thiem winning Indian Wells at 80-1 last year, among many stunning calls. He's racked up seven straight profitable seasons betting tennis. 

At Wimbledon last year, Calvert told his followers to grab 3-1 odds on Novak Djokovic facing Roger Federer in the final, adding Djokovic would win it all. The result: Djokovic and Federer cruised into the finals, with Djokovic winning the longest men's singles final in tournament history. Anyone who followed Calvert's advice was handsomely rewarded.

Now, Calvert has released two best bets for Djokovic vs. Tsitsipas, including a play on the outright winner and exactly how long the match lasts. You ABSOLUTELY need to see all of Calvert's picks and analysis before you bet.

Who wins Djokovic vs. Tsitsipas? Exactly. how long does this French Open semifinal last? ... Join SportsLine right now to see Sean Calvert's coveted picks, all from the renowned tennis expert who's had seven straight profitable seasons! -- Use promo code TENNIS to get your first month of SportsLine for a buck!