Quad wheelchair tennis to feature at Wimbledon from 2019
De Groot claims first wheelchair golden slam with win at U.S. Open | Reuters
In competitive debut, Michigan Adaptive Sports and Fitness sends a message
Venus Williams highlights wheelchair tennis, friendship with David Wagner
At U.S. Open Wheelchair Finals, Players Are Glad the Events Were Held at All - The New York Times
US quad tennis player produces tales of greatness on wheelchair
Wheelchair Tennis | Alcott v Lapthorne | Men's Quad Singles Gold | Rio 2016 Paralympic Games - YouTube
Quad wheelchair tennis to feature at Wimbledon from 2019
Alcott rewarded for superb year by topping wheelchair tennis quad singles world ranking
Roland Garros 2019: Stage set for quad history
Wheelchair Tennis Classification & Categories
Dyland Alcott and Diede de Groot searching for Golden Slam - The Championships, Wimbledon - Official Site by IBM
Quad Wheelchair Singles Championship | Australian Open 2016 - Alcott vs Wagner - YouTube
Wheelchair tennis - Rules, players, equipment... - Tennisario
Sport Week: 10 things to know about wheelchair tennis
David Wagner looks to change lives through wheelchair tennis - Los Angeles Times
Aussie wheelchair tennis king Dylan Alcott wins second Wimbledon
U.S.T.A. Reinstates U.S. Open Wheelchair Tournament - The New York Times
Wheelchair Tennis — Disability Sports Australia
Quad wheelchair world champions to be honoured by ITF
Wimbledon diary: Quad tennis debuts and prodigious presidential progeny | Wimbledon 2019 | The Guardian
Peter Norfolk - Wikipedia
Wheelchair Tennis: How Do You Play It?- Passionate People by Invacare
Wheelchair Tennis | USA v ISR | Quad Doubles Semifinals | Rio 2016 Paralympic Games - YouTube
History on the line at 2021 US Open Wheelchair Competition presented by Deloitte - Official Site of the 2023 US Open Tennis Championships - A USTA Event
