|Country (sports)||South Africa|
|Residence||Irvine, California, U.S.|
11 September 1954|
Vryburg, South Africa
|Died||5 May 2017(aged 62)|
|Height||1.87 m (6 ft 1 1⁄2 in)|
|Highest ranking||No. 54 (15 December 1975)|
|Grand Slam Singles results|
|Australian Open||2R (1978, 1982)|
|French Open||3R (1977)|
|Wimbledon||4R (1973, 1976)|
|US Open||4R (1980)|
|Highest ranking||No. 20 (25 June 1984)|
Mitton reached his highest rank in singles at World No. 51 on 15 December 1975, and in doubles of World No. 20 on 25 June 1984. His career record in singles in the ATP tour was 199–218, winning two titles. In doubles, he went 210–191, winning nine titles.
His two title wins in singles were at Newport, Rhode Island in 1978 and San Jose, California in 1979. He was the runner-up in three tournaments: San Jose (1978), Adelaide (1979) and Johannesburg (1981).
His nine title wins in doubles include: Auckland (1979); Stowe, Vermont and Cologne (1980); Richmond WCT (1981); Johannesburg (1981); Tampa (1981); Columbus, Ohio (1982); Ferrara (1983); and La Quinta, California (1984). He was the runner-up in eight tournaments: Sarasota, Florida (1978); North Conway, New Hampshire (1978); Rotterdam (1979); Maui, Hawaii (1982) Ancona (1982); Toulouse (1983); Florence (1984), and Queen's Club (1984).
Mitton had career wins over John McEnroe, Jimmy Connors, and Arthur Ashe in singles. Although he failed to reach the quarterfinals in any Grand Slam tournament, he reached the fourth round on three separate occasions.
In his very first Grand Slam tournament in 1973, he reached the fourth round of Wimbledon before losing to Connors 6–3, 6–3, 6–2.
Mitton retired from the tour in 1984 and joined the Newport Beach Tennis Club as director of tennis. From 2000–2003, he was at Rancho San Clemente and was until his death teaching at The Racket Club of Irvine, California. He has three children, Natalie, Barend and Olivia.
|Tennis Masters Cup|
|ATP Masters Series|
Singles (2 titles, 3 runner-ups)
|Runner-up||1.||17 April 1978||San Jose, U.S.||Garpet||Arthur Ashe||7–6, 1–6, 2–6|
|Winner||1.||10 July 1978||Newport, Rhode Island, U.S.||Grass||John James||6–1, 3–6, 7–6|
|Winner||2.||19 March 1979||San Jose, Costa Rica||Hard||Tom Gorman||6–4, 6–1, 6–3|
|Runner-up||2.||10 December 1979||Adelaide, Australia||Grass||Kim Warwick||5–7, 4–6|
|Runner-up||3.||6 April 1981||Johannesburg, Australia||Hard||Kevin Curren||4–6, 4–6|
Doubles (9 titles, 3 runner-ups)
|Winner||1.||1979||Auckland, New Zealand||Hard||Kim Warwick|| Andrew Jarrett
|6–3, 2–6, 6–3|
|Winner||2.||1980||Stowe, US||Hard||Bob Lutz|| Ilie Năstase
|Winner||3.||1981||Tampa, U.S.||Hard||Butch Walts|| David Carter
|6–3, 3–6, 6–1|
|Winner||4.||1983||Ferrara, Italy||Carpet||Butch Walts|| Stanislav Birner
|7–6, 0–6, 6–3|
|Runner-up||1.||1983||Toulouse, France||Hard (i)||Butch Walts|| Heinz Günthardt
|7–5, 5–7, 4–6|
|Winner||5.||1984||La Quinta, U.S.||Hard||Butch Walts|| Scott Davis
|5–7, 6–3, 6–2|
|Runner-up||2.||1984||Florence, Italy||Clay||Butch Walts|| Mark Dickson
|6–7, 6–4, 5–7|
|Runner-up||3.||1984||London/Queen's Club, England||Grass||Butch Walts|| Pat Cash
- 1981: Richmond WCT (with Tim Gullikson)
- 1982: Columbus (with Tim Gullikson)