A spot in the baseball's gold medal game of the 2020 Tokyo Olympics will be at stake when Japan and South Korea collide in a semifinal on Wednesday at Yokohama Baseball Stadium. First pitch is set for 6 a.m. ET. Japan is the -280 favorite (risk $280 to win $100) in the latest Japan vs. South Korea odds from Caesars Sportsbook while South Korea is the +230 underdog. The Over/Under for total runs scored is 8.0. (Check out all of SportsLine's Olympics coverage.)

Before you lock in your South Korea vs. Japan picks, you NEED to see what SportsLine baseball insider Matt Snyder is saying.

A former player for Indiana and a member of the Baseball Writers' Association of America, Snyder has been a baseball writer with CBS Sports since 2011. Baseball-obsessed since a young child, Snyder has been a fan of gambling since playing nickel-and-dime poker as a teen. CBS Sports' longest-tenured baseball expert combines simple logic learned from his baseball-playing days with an extensive background in analytics. He went 26-18 in the 2020 MLB playoffs, including 8-4 on World Series bets. Anybody who followed him saw some HUGE returns. 

A lot will be on the line in Wednesday's semifinal. The winner will clinch at least a silver medal and advance to the gold medal game on Saturday. Meanwhile the loser will drop into the loser's bracket. Japan has not reached the gold medal game since 1996 while South Korea won the gold medal the last time that baseball was an Olympic sport, in 2008 in Beijing. 

Japan enters the semifinal by virtue of its 7-6, come-from-behind victory over the United States on Monday. Meanwhile South Korea is coming off an 11-1 victory over Israel. This will be the teams' first meeting in Tokyo.

Now, Snyder has set his sights on Japan vs. South Korea. He likes Under 8.0 total runs, and he's found a critical X-factor that has him jumping all over one side of the run line. You ABSOLUTELY need to see what he has to say before locking in any 2020 Tokyo Olympics or South Korea vs. Japan picks of your own.

So who wins Japan vs. South Korea on Wednesday? And which side of the run line has all the value? ... Join SportsLine right now to find out which side of the South Korea vs. Japan run line you should be all over on Wednesday, all from the baseball insider who went 26-18 in the 2020 MLB Playoffs!