Willem Viljoen
Willem Abraham Viljoen is a South African badminton player. He competed for South Africa at the 2012 London Summer Olympics, and at the Glasgow 2014 Commonwealth Games. At the All-African Games, he has collected 2 golds and six silvers. Her sister Annari Viljoen also the Olympian who was competed in London 2012.
Achievements
All African Games
Men's doubles| Year | Venue | Partner | Opponent | Score | Result |
| 2015 | Gymnase Étienne Mongha, Brazzaville, Republic of the Congo |  Andries Malan |  Ali Ahmed El Khateeb Abdelrahman Kashkal | 21–10, 21–13 | Gold |
| 2011 | Escola Josina Machel, Maputo, Mozambique | Dorian James |  Ola Fagbemi Jinkan Ifraimu | 18–21, 19–21 | Silver |
| 2007 | Salle OMS El Biar, Algiers, Algeria | Dorian James | Chris Dednam Roelof Dednam | 10–21, 15–21 | Silver |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2015 | Gymnase Étienne Mongha, Brazzaville, Republic of the Congo | Michelle Butler-Emmett | Andries Malan Jennifer Fry | 17–21, 21–23 | Silver |
| 2011 | Escola Josina Machel, Maputo, Mozambique | Annari Viljoen |  Georgie Cupidon Camille Allisen | 22–20, 9–21, 21–16 | Gold |
African Championships
Men's singles| Year | Venue | Opponent | Score | Result |
| 2011 | Marrakesh, Morocco | Ola Fagbemi | 14–21, 17–21 | Bronze |
| 2006 | Algiers, Algeria |  Eli Mambwe | Bronze |
Men's doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2014 | Lobatse Stadium, Gaborone, Botswana | Andries Malan | Enejoh Abah Victor Makanju | 21–8, 21–15 | Gold |
| 2013 | National Badminton Centre, Beau Bassin-Rose Hill, Mauritius | Andries Malan | Enejoh Abah Victor Makanju | 21–11, 21–12 | Gold |
| 2012 | Arat Kilo Hall, Addis Ababa, Ethiopia | Dorian James | Ola Fagbemi Jinkan Ifraimu | 21–15, 21–15 | Gold |
| 2011 | Marrakesh, Morocco | Dorian James | Ola Fagbemi Jinkan Ifraimu | 21–18, 21–14 | Gold |
| 2010 | Kampala, Uganda | Dorian James | Ola Fagbemi Jinkan Ifraimu | 15–21, 15–21 | Bronze |
| 2006 | Algiers, Algeria | Dorian James | Chris Dednam Roelof Dednam | Silver |
Mixed doubles
| Year | Venue | Partner | Opponent | Score | Result |
| 2014 | Lobatse Stadium, Gaborone, Botswana | Michelle Butler Emmett | Andries Malan Jennifer Fry | 21–18, 21–17 | Gold |
| 2013 | National Badminton Centre, Beau Bassin-Rose Hill, Mauritius | Michelle Butler Emmett | Andries Malan Jennifer Fry | 21–18, 20–22, 21–9 | Gold |
| 2011 | Marrakesh, Morocco | Annari Viljoen | Dorian James Michelle Edwards | 21–13, 21–12 | Gold |
| 2010 | Kampala, Uganda | Jade Morgan | Dorian James Michelle Edwards | 11–21, 12–21 | Bronze |
BWF International Challenge/Series (24 titles, 13 runners-up)
Men's singles| Year | Tournament | Opponent | Score | Result |
| 2012 | South Africa International |  Alistair Casey | 24–26, 22–20, 18–21 | Runner-up |
| 2010 | Botswana International |  Giovanni Traina | 20–22, 21–19, 18–21 | Runner-up |
Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2016 | Rose Hill International | Andries Malan |  Mohamed Abderrahime Belrabi Adel Hamek | 21–18, 21–18 | Winner |
| 2015 | Botswana International | Andries Malan | Mohamed Abderrahime Belrabi Adel Hamek | 21–11, 21–8 | Winner |
| 2015 | South Africa International | Andries Malan |  Vatannejad-Soroush Eskandari Farzin Khanjani | 21–17, 16–21, 18–21 | Runner-up |
| 2015 | Zambia International | Andries Malan | Ali Ahmed El Khateeb Abdelrahman Kashkal | 21–14, 21–15 | Winner |
| 2015 | Ethiopia International | Andries Malan |  Emre Vural Sinan Zorlu | 21–10, 21–13 | Winner |
| 2015 | Mauritius International | Andries Malan |  Shlok Ramchandran Sanyam Shukla | 19–21, 12–21 | Runner-up |
| 2014 | Botswana International | Andries Malan |  Luka Wraber Alen Roj | 14–21, 21–10, 21–19 | Winner |
| 2014 | Zambia International | Andries Malan | Giovanni Greco Rosario Maddaloni | 14–21, 16–21 | Runner-up |
| 2014 | Lagos International | Andries Malan | Ola Fagbemi Jinkan Ifraimu | 21–14, 22–20 | Winner |
| 2014 | Uganda International | Andries Malan |  Chong Chun Quan Yeoh Seng Zoe | 14–21, 21–11, 14–21 | Runner-up |
| 2013 | Mauritius International | Andries Malan |  Denneshsing Baboolall Julien Paul | 21–11, 21–17 | Winner |
| 2012 | South Africa International | Andries Malan | Dorian James Enrico James | 24–22, 9–21, 24–22 | Winner |
| 2012 | Uganda International | Dorian James | Ola Fagbemi Jinkan Ifraimu | 24–22, 21–19 | Winner |
| 2011 | South Africa International | Dorian James | Chris Dednam Enrico James | 21–19, 21–18 | Winner |
| 2011 | Botswana International | Dorian James | Ola Fagbemi Jinkan Ifraimu | 21–23, 21–13, 15–21 | Runner-up |
| 2011 | Namibia International | Dorian James | Ali Ahmed El-Khateeb Abdelrahman Kashkal | 21–13, 21–13 | Winner |
| 2011 | Kenya International | Dorian James | Manu Attri Jishnu Sanyal | 14–21, 13–21 | Runner-up |
| 2011 | Mauritius International | Dorian James | Manu Attri Jishnu Sanyal | 19–21, 9–21 | Runner-up |
| 2010 | Botswana International | Dorian James | Enrico James Jacobs Maliekal | 21–19, 21–10 | Winner |
| 2010 | South Africa International | Dorian James | Chris Dednam Roeloff Dednam | 14–21, 18–21 | Runner-up |
| 2010 | Kenya International | Dorian James | Ola Fagbemi Jinkan Ifraimu | 22–20, 21–17 | Winner |
| 2010 | Uganda International | Dorian James | Ola Fagbemi Jinkan Ifraimu | 21–13, 21–9 | Winner |
| 2009 | South Africa International | Dorian James | Mohammadreza Kheradmani Ali Shahhosseini | 22–20, 17–21, 21–15 | Winner |
| 2009 | Mauritius International | Dorian James | Ola Fagbemi Jinkan Ifraimu | 19–21, 22–20, 21–8 | Winner |
| 2008 | South Africa International | Dorian James | Chris Dednam Roelof Dednam | 21–16, 21–17 | Winner |
| 2007 | South Africa International | Dorian James | Chris Dednam Roelof Dednam | 21–12, 21–18 | Winner |
| 2006 | Mauritius International | Dorian James | Chris Dednam Roelof Dednam | 21–13, 23–21 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result |
| 2014 | Botswana International | Annari Viljoen |  Matej Hliničan Shamim Bangi | 21–14, 21–15 | Winner |
| 2013 | Mauritius International | Michelle Butler-Emmett | Georgie Cupidon Allisen Camille | 21–12, 21–13 | Winner |
| 2012 | South Africa International | Annari Viljoen | Dorian James Michelle Edwards | 21–15, 16–21, 21–12 | Winner |
| 2012 | Uganda International | Annari Viljoen | Dorian James Michelle Edwards | 21–7, 21–10 | Winner |
| 2010 | Kenya International | Annari Viljoen | Jinkan Ifraimu Susan Ideh | 21–12, 21–10 | Winner |
| 2009 | South Africa International | Jade Morgan | Dorian James Michelle Edwards | 11–21, 17–21 | Runner-up |
| 2009 | Kenya International | Annari Viljoen | Chris Dednam Michelle Edwards | 11–21, 13–21 | Runner-up |
| 2007 | South Africa International | Jade Morgan | Chris Dednam Annari Viljoen | 14–21, 21–12, 15–21 | Runner-up |