Facts About No. 1 Wheelchair Tennis Player Diede de Groot
Diede de Groot Just Won Her 3rd Wimbledon Title, and She Could Make Paralympic History
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Vergeer, seen here and who retired in 2013 after winning 21 Grand Slam singles titles, acted as de Groot's mentor. "The mentoring wasn't so much on the court, but mainly off it," de Groot told Wimbledon.com. "Like how do you become a sports professional? How do you schedule your tournaments? Esther has been a big help in that."