Marius Barnard (born 20 January 1969) is a retired South African tennis player, who delivers Executive Coaching to CEOs, MDs, Directors, and other business leaders. He specialises in shifting mindsets, performance coaching, managing pressure, building self-belief, and utilising Positive Intelligence tools. As a business and psychology graduate, he started coaching tennis players, cricketers, and golfers in 2002. He converted to Executive Coaching in 2019 and became an EMCC Senior Practitioner in March 2021. As a tennis professional, he was more successful in doubles on the ATP Tour and played in Grand Slams for more than a decade. In his career, he won six titles on the ATP Tour, reached eight finals as well as the quarter-finals of Wimbledon and the Australian Open.^[1]

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Nov 1992	Moscow, Russia	World Series	Carpet	John-Laffnie de Jager	Andrei Olhovskiy David Adams	6–3, 3–6, 7–6
Loss	1–1	Aug 1993	Kitzbühel, Austria	World Series	Clay	Tom Mercer	Juan-Ignacio Garat Roberto Saad	4–6, 6–3, 3–6
Win	2–1	Apr 1994	Sun City, South Africa	World Series	Hard	Brent Haygarth	Ellis Ferreira Grant Stafford	6–3, 7–5
Loss	2–2	Feb 1996	Marseille, France	World Series	Hard	Peter Nyborg	Jean-Philippe Fleurian Guillaume Raoux	3–6, 2–6
Win	3–2	Mar 1996	Rotterdam, Netherlands	World Series	Carpet	David Adams	Hendrik-Jan Davids Cyril Suk	6–3, 5–7, 7–6
Win	4–2	Jul 1996	Bucharest, United States	World Series	Grass	Piet Norval	Paul Kilderry Michael Tebbutt	6–7, 6–4, 6–4
Win	5–2	Aug 1996	Los Angeles, United States	World Series	Hard	Piet Norval	Jonas Björkman Nicklas Kulti	7–5, 6–2
Loss	5–3	Jun 1997	Halle, Germany	World Series	Grass	David Adams	Karsten Braasch Michael Stich	6–7, 2–6
Loss	5–4	Feb 1998	St. Petersburg, Russia	World Series	Carpet	Brent Haygarth	Nicklas Kulti Mikael Tillström	6–3, 3–6, 6–7
Loss	5–5	Jun 1999	Nottingham, United Kingdom	World Series	Grass	Brent Haygarth	Patrick Galbraith Justin Gimelstob	7–5, 5–7, 3–6
Loss	5–6	Aug 1999	Boston, United States	World Series	Hard	T. J. Middleton	Guillermo Cañas Martín García	7–5, 6–7(2–7), 3–6
Loss	5–7	Sep 2000	Tashkent, Uzbekistan	International Series	Hard	Robbie Koenig	Justin Gimelstob Scott Humphries	3–6, 2–6
Win	6–7	Jan 2001	Auckland, New Zealand	International Series	Hard	Jim Thomas	David Adams Martín García	7–6(12–10), 6–4
Loss	6–8	Sep 2001	Tashkent, Uzbekistan	International Series	Hard	Jim Thomas	Julien Boutter Dominik Hrbatý	4–6, 6–3, [11–13]

Result	W–L	Date	Tournament	Tier	Surface	Partner	Opponents	Score
Win	1–0	Apr 1990	Cape Town, South Africa	Challenger	Carpet	Jeremy Bates	Wayne Ferreira Pieter Norval	6–3, 6–1
Loss	1–1	Jul 1990	Aptos, United States	Challenger	Hard	Matt Anger	Jeff Brown Scott Melville	7–6, 4–6, 4–6
Win	2–1	Nov 1992	Brest, France	Challenger	Hard	Brent Haygarth	Ģirts Dzelde Bent-Ove Pedersen	6–2, 7–6
Loss	2–2	May 1993	Kuala Lumpur, Malaysia	Challenger	Hard	Joost Winnink	Joshua Eagle Andrew Florent	4–6, 4–6
Loss	2–3	Feb 1994	Lippstadt, Germany	Challenger	Carpet	Brent Haygarth	Alexander Mronz Arne Thoms	2–6, 4–6
Loss	2–4	Feb 1995	Cherbourg, France	Challenger	Hard	Stefan Kruger	Bill Behrens Matt Lucena	6–7, 1–6
Win	3–4	May 1995	Valletta, Malta	Challenger	Hard	Lionel Barthez	Patrick Baur Tomas Anzari	7–5, 6–3
Win	4–4	Feb 1996	Cherbourg, France	Challenger	Hard	Bill Behrens	João Cunha Silva Mathias Huning	6–2, 4–6, 6–3
Win	5–4	May 1998	Ljubljana, Slovenia	Challenger	Clay	Stephen Noteboom	Alberto Martín Tomáš Anzari	7–6, 6–7, 7–6

• Marius Barnard at the Association of Tennis Professionals
• Marius Barnard at the International Tennis Federation