All the top seeds won on the opening day of the Hong Kong rugby sevens, the sixth leg in this season's IRB World Series.
New Zealand thrashed Taiwan 59-5 while Fiji, Kenya, Australia and England all also won convincingly against Asian opposition and Samoa were again impressive in seeing off Italy 40-12.
Reigning World Series champions South Africa were made to work far harder by neighbours Zimbabwe, eventually running out 28-15 winners.
New Zealand face France then Scotland in their remaining pool matches.
