Jesse Ryder's struck his second straight century in the domestic one-day cricket competition.
The discarded Black Caps batsman has scored 115 from 112 deliveries to lead Otago to 277 all out after being sent into bat by Northern Districts in Hamilton.
Michael Bracewell earlier struck 67 and shared in a 96-run partnership with Ryder.
Auckland's posted 307 for seven after being sent into bat by Central Districts in their match in Nelson.
Colin de Grandhomme struck an unbeaten 78 from 52 deliveries after Craig Cachopa a better than run-a-ball 66.
