title on 22 September. The World Open win was David fifth thus equalling Sarah Fitz-Gerald's record for the most times World Open win. In October, in the women's singles final of the 2010 Commonwealth Games in Delhi, David defeated Jenny Duncalf 11–3, 11–5, 11–7 in 40 minutes to win the gold medal. David did not drop a game in the entire tournament, just as she did in the 2010 World Open in Egypt. Nicol David added another feather to her cap, becoming the first player – male or female – to win the US Open for the third straight year. The 31-year-old Nicol, a seven-time world champion and five-time British Open winner, exacted sweet revenge over Egyptian teenager Nour El Sherbini to win the US$115,000 (RM479,320) tournament in Philadelphia. Rivalry between David and Natalie Grinham David and Natalie Grinham have a long rivalry history. As of March 2012, they have met 36 times, with David leading their overall head-to-head series 29–7. Grinham is David's most frequent opponent on tour and 16 of their matches have been in tournament finals, including two in the World Open tournament. The World Open 2006 final between David and Grinham was said to be "one of the great finals of the Women’s World Open". The longest match between the duo is in the 2007 CIMB Kuala Lumpur Open; which saw David went on to win in a five set match that lasted in 102 minutes. David won 6–9, 9–3, 9–6, 7–9, 9–6. On 27 September 2009 in the $118,000 2009 Women's World Open final, David won the match in four sets 3–11, 11–6, 11–3, 11–8 to become only the third player in the history of the championships to win four titles, alongside Australia's Sarah Fitz-Gerald and New Zealander Susan Devoy. Career statistics WISPA titles (81) All results for David in WISPA World Tour tournaments: WISPA finals (runner-up) (21) World Open Finals: 8 (8 titles, 0 runner-up) Source: Major World Series final appearances British Open: 7 finals (5 titles, 2 runner-up) Hong Kong Open: 10 finals (10 titles, 0 runner-up) Qatar Classic: 5 finals (5 titles, 0 runner-up) Malaysian Open: 11 finals (8 titles, 3 runner-up) Other titles 1998 Asian Championship – Singles Champion (1), Asian Games – Singles Gold (1) 2000 Asian Championship – Singles Champion (2) 2002 Asian Championship – Singles Champion (3), Asian Championship – Team Champion (1), Asian Games – Singles Silver,