Guptill, Williamson hit brisk fifties and combined in a record stand of 159 to power New Zealand to a thrilling series-clinching three-wicket win against Pakistan in the third and final ODI in Auckland on Sunday.
The second one-day international between New Zealand and Pakistan in Napier was abandoned without a ball being bowled due to heavy rain and a wet outfield on Thursday.
Chasing 281, Pakistan were bundled out for 210 to lose to the first ODI against New Zealand by 70 runs.
New Zealand batsman Colin Munro has been rewarded for his strong Twenty20 form by being included in the one-day squad for the three-match series against Pakistan, while Ross Taylor has been ruled out with a side strain.
New Zealand rode on blasting fifties from Corey Anderson and Martin Guptill to beat Pakistan by 95 runs in third T20I in Wellington on Friday.
Martin Guptill (87*) and Kane Williamson (72*) scores 171 run unbeaten stand setup ten wicket win against Pakistan in second T20 in Hamilton on Sunday.
Pakistan captain scores 23, 8-ball and picked two wickets in one over as Pakistan beat New Zealand by 15-runs in first T20 in Auckland on Friday.
Canterbury's legspinning allrounder Todd Astle is named in the Blackcaps' squad to take on Pakistan in the three-match ANZ Twenty20 Series against Pakistan, beginning this Friday
New Zealand Cricket on Thursday announced details of upcoming tours involving Sri Lanka, Pakistan and Australia, as the Black Caps seek to capitalise on their stirring run to the World Cup final.