Peppin Planners took on Deni Newsagency.
Ben Chartres and Jamie Howard got over the line six sets to five against James Hermiston and Jamie Chadderton.
Bec McCluskey and Isabella Gow also won their first-round match, six to five, against Maggie Canilleri and Pam Wells.
The second batch of matches produced four tiebreaker sets, with Peppin winning three of the four, helping them to eight of the nine sets on offer.
The final batch of matches witnessed a set won by the very experienced duo of Pam Wells and John Sibree over Colin McCrabb and Isabella Gow, six to four.
Sam Parkinson and Bern Murphy also had a solid win over Steve Perry and Alicia Osborne.
Peppin ultimately prevailed, taking the final round 11 sets to nine.
The second match pitted Mitre 10 against Legal Eagles.
Rob Wettenhall and Eric Moore fought back from 4-0 down to just shade Riley Hamilton and Ben Littmann in a tiebreaker.
Lucy Horne and Jemma Smith from the Eagles held off Bec Stacey and Hilary Porter for a win.
At the end of the first batch of matches, Mitre 10 led four sets to three.
In the second batch of sets, the strong westerly wind continued to cause difficulties, particularly with the ball toss on serve.
Graeme Murphy and Jarrod Gray had the tightest possible win against Haydn McKay and Matt Tubb, winning the tiebreaker five points to four.
Mitre 10 teammates Monte Barnes and Danyon Williams, together with Ruby Williams in her spin set, also all won tie break sets.
By the final batch of matches, the wind dropped and there was perfect evening weather to finish the night.
Jarryd Lowry narrowly defeated his father Steve Lowry, while Lucy and Matt Horne proved too strong for their opponents.
After the dust settled, Legal Eagles emerged as narrow winners, 13 sets to 11.
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