Wheelchair tennis is one of the forms of tennis adapted for wheelchair users. The size of the court, net height and rackets are the same, but there are two major differences from pedestrian tennis: athletes use specially designed wheelchairs, and the ball may bounce up to two times, where the second bounce may also occur outside the court.
Esther Mary Vergeer is a Dutch former professional wheelchair tennis player. Vergeer won 43 major titles, 23 year-end championships, and seven Paralympic gold medals. She was the world No. 1 in women's wheelchair singles from 1999 to her retirement in February 2013. Vergeer went undefeated in singles for ten straight years, ending her career on a winning streak of 470 matches. She has often been named the most dominant player in professional sports.
Shingo Kunieda is a Japanese former wheelchair tennis player. With four Paralympic gold medals, 28 major singles titles – an all-time record in singles of any tennis discipline – and 50 major titles overall, Kunieda is widely considered the greatest male wheelchair player of all time.
The 2011 Australian Open was a tennis tournament featuring six different competitions, and part of the 2011 ATP World Tour, the 2011 WTA Tour, ITF Junior Tour and the NEC Tour, as tournaments for professional, junior and wheelchair players were held. The tournament took place at Melbourne Park in Melbourne, Australia, from 17 January to 30 January, it was the 99th edition of the Australian Open and the first Grand Slam event of 2011. The tournament was played on hard courts and was organised by the International Tennis Federation and Tennis Australia.
The 2011 Australian Open was a tennis tournament featuring six different competitions, and part of the 2011 ATP World Tour, the 2011 WTA Tour, ITF Junior Tour and the NEC Tour, as tournaments for professional, junior and wheelchair players were held. The tournament took place at Melbourne Park in Melbourne, Australia, from 17 January to 30 January, it was the 99th edition of the Australian Open and the first Grand Slam event of 2011. The tournament was played on hard courts and was organised by the International Tennis Federation and Tennis Australia.
The Wheelchair Tennis Masters refers to a pair of end of year tennis events for wheelchair athletes held on an annual basis under the jurisdiction of the International Tennis Federation.
The ITF Wheelchair Tennis Tour is a tennis tour for disabled men and women. There are three divisions: Men, Women, and Quad. The Quad division is a mixed-gender division, for players which have impairments in at least three limbs, and the competitors are allowed to use motorized wheelchairs. The tour was formed in 1992, comprising just 11 events. The tour now has over 150 events.
Lisa Daniela "Danni" Di Toro is an Australian wheelchair tennis and para table tennis player. Di Toro was the 2010 French Open doubles champion and has also been the Masters double champion. In singles, Di Toro is the former world number one and two time masters finalist. In 2015, she moved to para-table tennis and represented Australia at the 2016 Rio Paralympics, where she was team captain with Kurt Fearnley. At the 2020 Tokyo Paralympics, her sixth Paralympics, she was the team captain and Opening Ceremony flag bearer with Ryley Batt.
Jiske Griffioen is a Dutch professional wheelchair tennis player. Griffioen is a 20-time major champion, Paralympic gold medalist, seven-time Masters champion, and a former world No. 1. Alongside Aniek van Koot, Griffioen completed the Grand Slam in doubles in 2013. In singles, Griffioen is a three-time Masters champion, Paralympic gold medalist, four-time major champion, and a former world No. 1.
Gordon James Reid is a British professional wheelchair tennis player. He was ranked world No. 1 in singles and world No. 1 in doubles. He is a Paralympic gold, silver, and bronze medalist, two-time Grand Slam singles champion, and record holding twenty-three time Grand Slam doubles champion.
Yui Kamiji is a Japanese professional wheelchair tennis player. She has won 28 major titles, as well as a Paralympic silver and bronze medal in singles and doubles, respectively, at the 2020 Tokyo Paralympics. She also won a bronze medal in singles at the 2016 Rio Paralympics.
The 2016 Wimbledon Championships was a Grand Slam tennis tournament which took place at All England Lawn Tennis and Croquet Club in Wimbledon, London, United Kingdom. The main draw commenced on 27 June 2016 and concluded on 10 July 2016.
The 2017 Wheelchair Tennis Masters is a wheelchair tennis tournament played at the Loughborough University Tennis Centre in Loughborough, United Kingdom, from 29 November to 3 December 2017. It is the season-ending event for the highest-ranked wheelchair tennis singles players on the 2017 ITF Wheelchair Tennis Tour.
The 2016 Wheelchair Tennis Masters is a wheelchair tennis tournament played at the Lee Valley Hockey and Tennis Centre in the Queen Elizabeth Olympic Park, London, United Kingdom, from 30 November to 4 December 2016. It is the season-ending event for the highest-ranked wheelchair tennis singles players on the 2016 ITF Wheelchair Tennis Tour.
Diede de Groot is a Dutch professional wheelchair tennis player who is the current world No. 1 in both singles and doubles.
The 2018 Wheelchair Tennis Masters was a wheelchair tennis tournament played at the USTA National Campus in Lake Nona, Orlando, Florida, United States, from 28 November to 2 December 2018. It is the season-ending event for the highest-ranked wheelchair tennis singles players on the 2018 ITF Wheelchair Tennis Tour.
Joachim Gérard is a Belgian wheelchair tennis player. He has been ranked world No. 1 in singles.
Maikel Scheffers 
Peter Norfolk