First introduced to wheelchair tennis at the 2004 Inter-Spinal Unit Games, Marc immediately took to the sport.
Marc made his international debut for Great Britain at the 2009 World Team Cup in Nottingham and was a mainstay of that team until his retirement from the sport in April 2017.
He won his first men’s singles trophy in Israel in 2007 and after winning a string of titles, his career highlights include winning his first ITF 1 Series singles and doubles titles at the 2012 South African Open. In early 2011 he also spent a brief period as Britain’s No. 1 ranked men’s singles player.
At London 2012, Marc made his Paralympic debut. He reached the quarter-finals of the men's doubles competition with ParalympicsGB team-mate Gordon Reid.
At Rio 2016, Marc reached the second round in both the men's singles and men's doubles competitions.
A former semi-professional football player he continues to have a keen interest in football and supports Arsenal FC, whilst also enjoying swimming and handcycling. He also has a BTEC in Sports Science.
Marc acquired his impairment following a road traffic accident in 2003.
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