Next Friday's grand final is set to certainly be played against a coronavirus backdrop after federal government orders of non-essential gatherings of more than 500 people have been banned.

The early weekend start should prevent crowds flocking to the NTCA Ground, but reaching a season decider of such has not got tiresome for Knights captain Tom Waller.

South Launceston quickly reversed its last-round result against Launceston, winning emphatically by 183 runs in Sunday's preliminary final.

"We definitely learned a lot. We pride ourselves a bit that if we do have a bad sort of day or bad game that we can pull it back the next week and will learn from that and we did perform," Waller said.

"We did have bowlers who scored runs in this game, we had a couple of batters score a few runs too and we've got Nathan Philip to come in.

"The bowlers also shared the wickets and that is what we're going to take - a team effort because we really can't rely on one or two players.

"Everyone has to have their moment at some stage in the game. Cricket is a team game and hopefully we can be the better team next week."

The Knights have every right to feel confident after running through a Launceston batting card full of depth pursuing of a score past 343.

Spearhead Graham Donaldson coming off six wickets first removed Zac Oldenhof for just a seven-ball duck.

Cam Lynch and Alistair Taylor built a 46-run stand until James Lee changed the game, pulling off a blinding catch at mid-wicket to dismiss the Lions captain for 20.

Lynch plugged away but the side battled to 4-87 after Ben Humphrey (6) and Ethan Conway (17) both departed.

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When legspinner Jeremy Jackson picked up Lynch (41) and Tom Gray (0) in back-to-back balls, the Lions slipped to 6-102 and a long way from its preliminary final target.

"They had a pretty stacked batting lineup," Waller said.

"So to be honest if they got a few batters there together, they would have been a real chance to get the runs."

Simon Elliston-Buckley hit out with a blustery 42 off 30 deliveries before Donaldson returned to the attack to end Launceston's realistic hopes four balls into his new spell.

Donaldson's third scalp ended the resistance for 160 after Daniel Smith threw caution to the wind, belting three sixes for 26 off 17 balls.

Josh Freestone would join Donaldson and Jackson with three-wicket hauls, starting with the key wicket of Taylor.

"We went in pretty confident because the boys are in good form," Taylor said.

"So I thought we were in really good positive frame of mind."

The captain was left frustrated over the Lions for the third straight year bowing out one game short of the finale.

Lynch is the only member around from their last grand final appearance in 2011-12.

"We want to play in grand finals and I feel we are probably thinking about that too much," Taylor said.

"We've got to work on our mental strength, probably. We know we have a good enough side."

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