"They said it would be a short break and then another cell after that," Reds manager Dusty Baker said. "The field was in pretty bad condition. So we're going to reschedule the makeup game when they come back in August.
"I was on the phone a lot with Walt [Jocketty, the general manager], the umpires and Phil Castellini and Declan [Mullin, vice president of ballpark operations]. Everybody was involved."
Cincinnati, which entered with wins in seven of its last 10 games, was to start Bronson Arroyo against Chicago's Jeff Samardzija. The two pitchers will now go on Wednesday at 7:10 p.m. ET.
"I didn't fire anything up for the game except to stretch and usual preparation," Arroyo said. "It should be fine, especially this early in the year. I used to hate extra days, but you get a little bit older and it isn't so bad. I'll take them."
The Reds will start Wednesday's original starter, Homer Bailey, on Thursday against Ryan Dempster. The Reds are considering starting Johnny Cueto on Friday vs. the Pirates, which means that Mike Leake's turn would be skipped. Leake was originally scheduled to start on Thursday.
Arroyo said he took a nap and hung out in the clubhouse while waiting for word.
"The thing is, once you get going adrenaline-wise and really start focusing on preparation, loosening up, stretching and running and stuff, it's really hard to really get back what you lost, especially if you don't start for a few hours or have to come back [the next day]," Arroyo said. "You try to stay as quiet as possible."
Fans have been told to keep their tickets and check them for specific rain-check instructions. The tickets can be exchanged at face value for any future 2012 Reds regular-season home game, subject to availability. Fans holding "Kid Glove game" tickets can exchange them for any of the four remaining Kid Glove dates.
This marked the sixth game postponement since Great American Ball Park opened in 2003. There were two rainouts last season, the most recent being on June 21 vs. the Yankees.
"We were hoping to play pretty soon, but it gets to a point where the fans are there and we're here and wondering if the rain was going to come back," Baker said. "You'd hate to start and lose a pitcher and then have to call it then."