The Reds (78-74) have 10 games remaining. The Cardinals (81-69) have 12 games left.
The Reds are 9-17 in their last 26 games, while the Cardinals are 18-8 in the same span.
The Cardinals now have a 90.1 percent chance of winning the wild card, according to FanGraphs.com. The Reds have a 6 percent chance.
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Here’s how their schedules compare:
• Cardinals: Sept. 22-23, at Milwaukee Brewers; Sept. 24-26, at Chicago Cubs (66-83); Sept. 28-30, vs. Milwaukee; Oct. 1-3, vs. Cubs.
• Reds: Sept. 22, vs. Pittsburgh Pirates; Sept. 23-26, vs. Washington Nationals; Sept. 28-29, at Chicago White Sox; Oct. 1-3, at Pirates.
The winner of the second wild-card will play on the road against the Giants or Dodgers, whoever doesn’t win the West Division, on Oct. 6. That game will air on TBS.