Robin Ammerlaan is a Dutch former professional wheelchair tennis player. A former world No. 1 in both singles and doubles, Ammerlaan is a 14-time major champion and two-time Paralympic gold medalist. The right-handed player's favourite surface is carpet, and he was coached by Gert Bolk. His wheelchair is manufactured by Invacare. Ammerlaan ended his professional career after the 2012 London Paralympics.

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.