Avenel won the toss and elected to bat first, posting 7-198 from 45 overs.
Clark impressed with the willow, posting an unbeaten 78, and he found an unlikely partner in Jack Hessie (42 not out) coming in to bat at number nine.
Matthew Isles was the pick of Kilmore’s bowlers with 3-33 off his seven overs, while Brent Proctor kept the run rate down with three maidens.
When it was Kilmore’s turn to bat, Callum Partridge remained strong in the middle order, top-scoring with 60, while Clark took 4-27.
Meanwhile, it was a low scoring encounter at Shell Green Reserve, as Tallarook got the choccies over Puckapunyal with a nine-run win.
Tallarook batted first, with Jason Tarran holding his side together with an unbeaten 25, while Jacob Nipperess claimed 3-17 off seven overs.
Chasing 59, opener Matt McLaughlin was the only Puckapunyal player to get into double figures, posting 22.
But it was Sam Watts who inspired Tallarook with a monster effort, taking 6-10 off 7.3 overs to help restrict Puckapunyal to 50.
Pyalong had success at home, beating Broadford 119 to 103.
Pyalong opener Gavin Thompson top-scored with 32, while Travis Blackwell was consistent in his line and length, with 2-16 off nine overs, which also included four maidens.
With 119 in Broadford’s sights, it was looking good at 2-44, but no major partnerships led to its downfall as it lost its last eight wickets for 59.
Timothy Hanson batted well for his 33, while Joseph Ryan took 3-7 off his 3.5 overs.
● The C-grade ranks had a flurry of low-scoring matches.
Eastern Hill lasted 12 overs against the Puckapunyal Wanderers before getting out for just 17 runs.
Jared Mott was on fire, taking 7-10.
The Wanderers took seven overs to reach the total, but lost three wickets in the process, finishing with 3-22.
At L.B. Davern Reserve, the Royals were kept to just 70, as Kilmore opener Steve Micallef ran rampant with his highest score of 60 as his side chased down Royals’ total in eight overs.
Meanwhile at Avenel, Pyalong posted 118, which was enough to beat the home side's 68.
Pyalong opener Brian Moffatt scored 26 to top score, while Christopher Chee took 3-33.
Chee went on to top score for Avenel with 22, but Pyalong’s Mark Zoch stole the show, and will be pleased with his best bowling figures of 5-18.
At Broadford Secondary College, Broadford Red was bowled out for 72, with Daniel Crane and Michael Mawson sharing Alexandra’s bowling honours, both with 3-14.
Alexandra’s openers Tim Orgill (61) and Darren Waixel (11) wasted no time reaching Broadford Red’s total in just seven overs.
Cameron Kirby shone at the top of Seymour’s order with an unbeaten 78 as he helped his side reach 4-130 while keeping Broadford Black to 90.
Kirby remained at the crease for all 40 overs, while Michael Mirabella took 2-21.
Five Broadford Black batsmen made starts and got into double figures, with first-drop Jason Purves top-scoring with 20.
But Kirby’s brother Regan put pressure on for his 3-14, which featured three maidens.
Cameron also took 3-18.