Shingo Kunieda (国枝 慎吾, Kunieda Shingo, born February 21, 1984) is a Japanese wheelchair tennis player. He is the current world No. 1 in singles. 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.Kunieda was the ITF World Champion from 2007 to 2010. He was also the year-end No. 1 in doubles in 2007. In 2007, 2009, 2010, 2014, and 2015, Kunieda won all three singles majors that hosted wheelchair singles events (Wimbledon did not do so until 2016). In 2007 and 2008, Kunieda also won three of the four Masters series events. Kunieda is the only player to retain the men's singles title at the Paralympics – he took the gold medal in 2008, 2012 and 2021. In addition, Kunieda won the gold medal in the 2004 men's doubles, and has been part of two World Team Cup wins. He has 103 career titles over singles and doubles combined, including 50 majors. Kunieda had a three-year, 106-match consecutive win streak. The streak began after his loss at the 2007 Masters and ended to Stéphane Houdet in the semifinals of the 2010 Masters. In late 2012 to early 2013, Kunieda had a win streak of 44 matches. Between January 2014 and December 2015, Kunieda was on yet another winning streak of 77 matches, ending to Joachim Gérard in the round-robin phase of the 2015 NEC Masters tournament. Kunieda is a right-handed player whose favorite surface is hard court. He is coached by Hiromichi Maruyama.