Wheelchair tennis was little known when Esther Vergeer took up the sport, but a 470-match winning streak later, she is a legend in a sport that's now played at all four Grand Slams.
Imagine going a decade without one hiccup, one bad day or one loss. Esther Vergeer won 470 consecutive matches - but even that number doesn't do her justice.
After a 10-year winning streak in wheelchair tennis, Esther Vergeer felt she had nothing left to prove.
Hey, Novak Djokovic, if you fail to drop a single match for the next eight years, then we'll starting talking about invincibility.
The wheelchair tennis player has been ranked No. 1 in the world since 1999. She has a winning streak of 415 matches -- and most of those haven't even been close.