Wheelchair tennis player Esther Vergeer wins 4th Paralympic title, extends win streak to 470

(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.

Paralympics: Wheelchair tennis player Esther Vergeer wins 468th match in a row

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: