Naomi Osaka out of ASB Classic, Tauson wins

Former tennis world number one Naomi Osaka made a shock exit in the final of the ASB Classic, after apparent trouble with an abdominal muscle. She had just won the first set, when she was examined courtside by a physio and withdrew from the rest of the match. That meant Denmark's Clara Tauson was crowned women's singles champion. Tennis correspondent Dave Worsley spoke to Tuwhenuaroa Natanahira.