She successfully defended her U.S. Women's Open title in 2001 and won the LPGA Championship to become the youngest winner of the LPGA Career Grand Slam. She teamed with David Duval to play against Annika Sörenstam and Tiger Woods in a made-for-TV Battle at Bighorn between the two best male and two best female players in the world. At the time, it provided women's golf its largest audience ever. Webb's win at the 2002 Women's British Open, which had become an LPGA major in 2001, meant she completed a Super Career Grand Slam – every available major championship in women's golf in her career.