Esther Vergeer of the Netherlands holds her gold medal for winning the women's wheelchair tennis final at the 2012 Paralympics games, Friday, Sept. 7, 2012, in London. Vergeer defeated Aniek Van Koot in the final 6-0, 6-4. / AP Photo/Alastair Grant
(CBS/AP) LONDON - Esther Vergeer of the Netherlands captured her fourth straight Paralympics title in the wheelchair tennis women's singles with a 6-0, 6-3 victory over compatriot Aniek van Koot on Friday, taking her remarkable nine-year winning streak to 470 matches.
Vergeer, who has been No. 1 in the rankings since 1999, required just 59 minutes to wrap up the win at Eton Manor in the Olympic Park.
She says "I know the day I will lose will come, but I don't know when."
Vergeer needs 86 more victories to surpass what is widely believed to be the longest run of consecutive wins in sport - 555 by Pakistani squash great Jahangir Khan between 1981-86.
The 31-year-old Vergeer says she isn't ready to retire just yet and that her rivals are "getting a lot closer."
In 2010, CBS News' Tony Guida reported on why even Vergeer's famous peers have offered her nothing but praise: