The newly crowned world champion, Datuk Nicol David was defeated by her arch rival in her second group match of the 2012 World Series Finals.

In the competition held at The Queens Club in London on Thursday, England's Laura Massaro was on top of her game to outclass Nicol in a close match with 12-10 and 11-9 in a 29- minutes match.

Laura currently leads the Group A with two wins.

In another Group A match, Netherland's Natalie Grinham claimed her first win after defeating Hong Kong's Annie Au 14-12 and 11-4 in 24 minutes.

Natalie will be facing Nicol in her final group match on Friday.