Batting first, the Tigers struggled, with only skipper Ryan Ash (43 not out) scoring more than five runs.
It meant they were all out for 70, with seven different United bowlers picking up a wicket.
United did not struggle with the bat, smashing its way to 0-103 at stumps with Ashton Young and Mitchell Grumley retiring on 41.
Young is having some sort of season with 148 runs across all junior and senior grades, with his only dismissal of the season an infamous Mankad in C-grade.
Elsewhere, Notre Dame-St Brendan's Gold had a great day with the bat against Old Students.
The Golden Tigers made 9-192 from their 45 overs to take the game over, with opener Mason Reeves topping the scoring with 43 not out.
Other stars included Ethan Beck (31), Hayden Singh (21) and Liam Prior (20), while Student Mia Earl proved to be truly unplayable during a wizardly spell of 2-7 from six overs.
Euroa also had a nice day with the willow, making 4-146 against Numurkah.
Magpie captain Cohen Paul was the start of the show, retiring not out on 40, with Wil Smyth adding 31.
â—�B-grade play featured a good day for Old Students as they took the early ascendancy against Karramomus-Pine Lodge.
Batting first, the Bloodgers would only manage 90 before being bowled out, with James Doyle's 29 the top score.
Zac Bathman was on fire with the pill, taking 3-5 from 2.2 overs.
In response, the Students charged to 1-44 with captain Sam O'Brien leading the way.
Toolamba batted out its 40 overs against Tatura, making 8-115 with Alyse O'Connell looking strong with 32.
Jaiden Benjamin was the most dangerous bowler for Tatura, taking 4-14.
And a good bowling effort for Northerners kept Waaia to 101.
Kaleb Gilmour made 22 to continue a good season for the Bombers, while Taylah Groves took 3-5 for the Jets.
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