After winning the toss and electing to bat, Ky would soon be regretting their decision as they were dismissed for just 82, as only two batsmen reached double figures.
Angus Martin and Fraser Cleary led the way for the home side with the ball taking three wickets apiece.
Meanwhile captain Sean Williams took two of his own as Dylan Cuttriss and Myles Wade took one each.
Rochy never allowed any of the visitors’ batsmen to get settled, with Ky registering a biggest partnership of just 15 runs.
“I was really pleased with our bowling performance, we never let up in terms of our pressure,” Williams said.
“We bowled extremely well in partnerships and I thought that translated into our effort in the field.
“We didn't allow any easy runs which set us up for the rest of the day.”
Despite losing three early wickets of their own, which saw the home side reeling at 3-38 young gun Waugh George played a key role in helping his side remain in a dominant position at stumps.
George remains not out on 26 runs having faced 80 balls so far in a patient display of batting.
He has so far struggled to find any support with fellow opener Tim Bubb dismissed for seven, Williams removed for 12 and Martin sent back to the pavilion without troubling the scorers.
The home side will resume a 3/51 having faced 28 overs so far.
●IN OTHER results, Moama has put itself in a commanding position against Echuca.
Captain Jack Russell tore through Echuca's line-up taking 6/33 as the hosts were dismissed for 121.
Although Echuca did fight back with the ball to leave Moama 2/17 at stumps.
●DARIN Ohlsen was the star of the show for Tongala as he scored a stunning 105 runs against BLU.
His total lifted Tonny's total to 207, with Shannon Bish claiming 4/21 for BLU.
●ECHUCA South's stunning collapse has it on the brink of defeat against Cooma.
After opener Josh Novoselek scored a half-century combined with some strong support from Mitchell Stephens and Luke Thompson, South saw seven other batsmen combine for just one run.
They were eventually dismissed for 126, as Cooma reached 2/32 at stumps.
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