Amelia Kerr hit a stunning unbeaten century to steer New Zealand to victory in the third ODI against South Africa at Kingsmead on Sunday.The visitors bounced back with a six-wicket victory in Durban despite losing the three-match ODI series 2-1.The start was halted by rain, which resulted in the game getting reduced to 45 overs a side.Chasing 209, Kerr shouldered the White Ferns run chase as she brought up her fourth ODI century.Masabata Klaas got the early wicket of Suzie Bates for 9 before a 54-run stand between Kerr and captain Sophie Devine formed.Nonkululeko Mlaba bowled Devine for 30 and soon thereafter Maddy Green advanced and was stumped off Chloe Tryon while Georgia Plimmer was caught for sixHowever, with Kerr on the other end, New Zealand were always comfortably ahead the asking rate.Kerr then shared an 83-run stand with Brooke Halliday, who ended unbeaten with a handy 37.With five needed off 12, Kerr slapped a boundary and chipped a single to end unbeaten on 100 off 117 deliveries (hitting 13 fours) as New Zealand cruised to victory with 10 balls still remaining.Mlaba was the pick of the Proteas bowlers as she took two for 41 with the notable mention of all-rounder Kapp, who bowled three overs for eight runs before she left the field after experiencing heart palpitations.Earlier on, Kapp led with the bat as the Proteas, who were wearing black in their #EndGBV campaign, were restricted to 209.The Proteas kept losing wickets at regular intervals and were soon reeling on 67-4.A 54-run stand between Kapp and Chloe Tryon helped steady the Proteas' innings but Tryon was soon bowled by Fran Jonas for 25.Wickets tumbled soon after as Devine and Tahuhu picked up three wickets a piece.