Riverside have continued their strong start to the season and the Greater Northern Cup after blitzing Wynyard at Riverside No.1.
The competition's top side looked likely victors given the two sides' respective form-lines but the Blues set about proving it with a damaging bowling display.
Jesse Homan (3-28) did the damage early to claim three of the Tigers' top four batters while debutant Alex Tubb (3-18) impressed including affecting a stumping with Peter New to leave Wynyard at 75 all out.
Tom Lewis (1-21) and Riverside captain Tom Garwood (2-7) also nabbed wickets as the bowling attack showed their wares.
"It was up to our bowlers to set the standard right from the start and to their credit, they backed each other up and got the job done today," Garwood said.
Matthew Kerrison (42 off 38) top-scored with the bat as the first-drop and Garwood (29 off 30) steered the Blues to their fourth victory of the season inside 12 overs.
"It got a little bit tight, there were some good overs ... so it was really good to only lose one wicket in a small total because in previous years we've probably lost four or five," Garwood said.
"We really had that dominant performance which was awesome."
Launceston also joined the winners' circle after they defeated Devonport in a rain-affected match.
Orions captain Tyler Dell (114* off 120) starred once again to carry their innings while Dihan Cloete (4-28) continued his exceptional form with the ball as Devonport recorded 7-194.
"[Dell] batted fantastically but we thought we did a good job in getting him off strike and ones rather than boundaries," Launceston's stand-in Cameron Lynch said.
The Lions were in trouble early at 2-16 in an altered chase before Dean Thiesfield (67 off 45) and Ben Humphrey (46 off 81) steadied the reply to secure victory for the home side.
"Dean Thiesfield batted fantastically for us up top, he's hitting the ball really nicely at the moment and once again our innings was held together by Ben Humphrey, his maturity and leadership through the middle-overs is crucial for us at the moment," Lynch said.
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Ishang Shah (46 off 72) played a lone-hand as Mowbray slumped to a defeat at home against Latrobe.
Nathan Bessell (4-29) ran riot in the Eagles' innings as they lost wickets at regular intervals to be all out for 142 with five overs to spare. The Demons' Brandon King (53 off 60) anchored the Latrobe innings as they reached 5-125 to win off a reduced target due to weather to notch their first win of the year.
After a full slate of games last weekend, four teams found themselves available for an early tea after games were called off on the North-West Coast.
Ulverstone were hosting Westbury at UCI Oval before play was abandoned towards the end of the Black Caps' innings.
Ulverstone were scrambling to post a competitive total after the Shamrocks started making in-roads through Michael Lukic (3-23) and Kieren Hume (2-28) to have the Black Caps' score at 7-132 at the abandonment.
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Jacob Snare (26 off 68) and Josh Walmsley (34* off 61) led the way for Ulverstone.
Elsewhere on the coast, weather impacted Burnie's clash with the visiting South Launceston despite Nathan Philip putting on a show prior to the close of play.
Mackenzie Barker and Sisitha Jayasinghe fell early while Shaun Redman (4-45) and Tyler Parker (2-28) ran through the Knights middle-order to leave them in a perilous position at 6-65.
With wickets falling all around him, Knights' coach Philip (111* off 128) was tasked with reviving the innings alongside Graham Donaldson (20* off 60).
The centurion did so in devastating fashion as he launched the Hurricanes' attack to all parts with seven boundaries and clearing the fence on six occasions. The Knights were 7-172 when play was abandoned.
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