Top-seeded Novak Djokovic plays Frenchman Lucas Pouille in the Australian Open semifinals, with the match starting at 3:30 a.m. ET Friday (7:30 p.m. Friday in Melbourne). Djokovic is a -1800 favorite, with Pouille getting +950 as the underdog.

There are plenty of ways to bet the match, however, including whether it will go Over 30.5 games.

Before you lock in your picks, you need to hear what international tennis expert Sean Calvert says. Calvert has an uncanny feel for the Aussie Open. In 2014, Calvert called Stan Wawrinka's shocking triumph -- a legendary call that rewarded Calvert's followers with a COLOSSAL 60-1 payout! That was the only time in the last 13 years someone not named Federer, Nadal or Djokovic won this event, and Calvert saw it coming.

Calvert is the same expert who cashed in huge on John Isner at 100-1 to win the Miami Open and just nailed Daniil Medvedev winning the Tokyo Open at 45-1. Anyone who has followed him is WAY up.

Now, Calvert has broken down Djokovic vs. Pouille and locked in his top picks. He knows a critical X-factor determines which player has all the value and exactly how long this match lasts. You ABSOLUTELY need to see it before you lock in your own picks.

So who wins Djokovic-Pouille? And which side has all the value? ... Join SportsLine right now to see Sean Calvert's top Australian Open semifinal picks, all from the acclaimed expert who called Stan Wawrinka winning the 2014 Australian Open at 60-1!