Alton, Trojans and Rowledge maintained their two wins out of two start, but Ventnor lost their unbeaten Southern Electric Premier League, Division 3 tag at Havant.
Andy Balcombe and Ben Jansen took four wickets each as Alton dismissed Winchester KS for 79 to win by 56 runs at River Park.
South African Erasmus Hendrikse (73) and a blistering 63 not out, including three huge sixes, by Jamie Donaldson took Trojans to a powerful 258-4 against Bashley II, who wilted to 167 all out.
Rowledge chased New Milton's 241-8 to secure an exciting last-over win, while Shane Ferguson's 127 guided Havant to 227 before Hampshire Under-14 pair Chris Morgan and Stuart Ransley took three wickets each as Ventnor crumbled to 149 all out.
Paultons captain John Robinson cracked an unbeaten 114 as Paultons totalled 218-8 before bowling run shy Flamingo's out for 168 (Stu Shapland 57).
Tony Richman and Peter Lamb took three wickets each in Flamingo's demise.
Mark Tomlinson took fivewickets and hit a half-century but was unable to save Leckford from a 70-run defeat by Waterlooville at Bakers Farm.
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