The Centurions face league leader Claremont-Nedlands at Iluka after losing both one-day matches in a double-header round to begin 2017 last weekend.
Joondalup was on a five-game winning streak heading into the Christmas break before losing to Scarborough and Mt Lawley on Saturday and Sunday.
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READ NOWThe team remains third on the ladder despite the losses.
The hosts would have been confident of beating Scarborough after seeing out the innings on 7-244, led by Garrick Morgan’s 82 and Michael Swart’s 60 at Iluka Sporting Complex.
But Joondalup could manage just four wickets in reply as the visitors overhauled the total in the 48th over with impressive efforts from Liam Knight (51) and an unbeaten 92 from Edward Barnard.
Swart was strong in the field with two run-outs.
Bowlers James Boyland and Ty Hopes took a wicket each.
The team edged towards victory against Mt Lawley but fell for 195 chasing the Hawks’ 204 at Breckler Park.
Josh Anderson was Joondalup’s best with bat and ball, taking 4-34 before scoring 32 batting at No. 5.
Former Centurion James Newnham haunted his old side with a match-high 53 for Mt Lawley.