Dusty Hughes and Ramon Colon gave up a combined 15 runs on 18 hits as Tucson beat the O-Royals in a 15-3 blowout.
The Sidewinders scored three runs in the first and second innings off starter Hughes, then added two more in the fourth off Colon.
Tucson scored in all but two innings, and had another explosion in the bottom of the seventh scoring four runs.
The O-Royals had 13 hits, but left five runners in scoring position. Omaha returns home for a series with the Salt Lake Bees.