Olympic glory will be at stake when Alexander Zverev of Germany and Karen Khachanov of Russia collide in the gold-medal match of the 2020 Tokyo Olympics on Sunday at Centre Court of Ariake Tennis Park. The start time is approximately 3:15 a.m. ET. William Hill Sportsbook lists Zverev as a -300 favorite (risk $300 to win $100) in the latest Zverev vs. Khachanov odds, with Khachanov listed at +250 as the underdog. The Over-Under for total games is 22.5. (Check out all of SportsLine's Olympic coverage.)

SportsLine analyst and tennis expert Sean Calvert has identified the right wager to play in his analysis below. He is the handicapper who called Stan Wawrinka winning the 2014 Australian Open at 60-1. And earlier this month he nailed both of his bets for the Wimbledon men's singles final: Novak Djokovic to win three sets to one (+275) and Djokovic to win and both players to win a set (+130).

Zverev enters Sunday's final coming off a stunning upset. In the semifinals on Friday he rallied from a set down to knock off Djokovic, 1-6, 6-3, 6-1. Zverev belted 36 winners to Djokovic's 13. The victory ended Djokovic's quest for a rare Golden Slam and ended his 22-match winning streak. 

Meanwhile, Khachanov will be playing in the biggest final of his career. The 25-year-old has four career singles titles but none since 2018. Earlier this month, he reached the quarterfinals at Wimbledon, losing to Denis Shapovalov in a tight five-set match. 

Now, Calvert has released a best bet for the Zverev vs. Khachanov gold medal match. We can tell you that he is leaning Over 22.5 total games (-125), but he has an even stronger play on the match! You ABSOLUTELY need to see Calvert's analysis of the Tokyo Olympics gold medal match before you bet.

Calvert is the 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. And earlier this month he nailed both of his bets for the Wimbledon men's singles final: Djokovic to win three sets to one (+275) and Djokovic to win and both players to win a set (+130).

So who wins Zverev vs. Khachanov? And what wager does Calvert like? ... Join SportsLine right now to see Sean Calvert's top 2020 Tokyo Olympics men's gold medal match picks, all from the acclaimed expert who called Stan Wawrinka winning the 2014 Australian Open at 60-1!