| Kasper Antonsen | |
| Country: | Denmark |
| Birth Date: | 1994 4, df=yes |
| Birth Place: | Aarhus, Denmark |
| Residence: | Copenhagen, Denmark |
| Height: | 1.79 m[1] |
| Event: | Men's & mixed doubles |
| Highest Ranking: | 32 (MD with Niclas Nøhr 22 September 2016) 56 (XD with Amanda Madsen 23 September 2015) |
| Bwf Id: | 79354A65-EA02-4863-B2C0-F5347B92960B |
Kasper Antonsen (born 13 April 1994) is a Danish badminton player.[2] Together with his brother Anders Antonsen, he started his career in badminton in Viby, learned from his father who worked at one of the badminton clubs in Aarhus called AB.[3] Antonsen who trained at the Aarhus AB, made his professional debut in 2012, and later, he won the gold medals at the 2013 European Junior Championships in the boys' doubles and mixed team events, also a bronze medal in the mixed doubles event.[2]
Boys' doubles
Mixed doubles
Men's doubles
| Year | Tournament | Partner | Opponent | Score | Result | |
|---|---|---|---|---|---|---|
| 2012 | Denmark International | Rasmus Bonde | Christian John Skovgaard Mads Pieler Kolding | 17–21, 10–21 | Runner-up | |
| 2014 | Dutch International | Mikkel Delbo Larsen | Rasmus Fladberg Emil Holst | 21–15, 21–18 | Winner | |
| 2014 | Finnish International | Oliver Babic | Mathias Bay-Smidt Frederik Søgaard | 23–25, 21–15, 17–21 | Runner-up | |
| 2015 | Dutch International | Oliver Babic | Johannes Pistorius Marvin Seidel | 21–9, 21–15 | Winner | |
| 2015 | Spanish International | Oliver Babic |  Adam Cwalina Przemysław Wacha | 17–21, 14–21 | Runner-up | |
| 2015 | Italian International | Niclas Nøhr | Mathias Christiansen David Daugaard | 24–22, 21–14 | Winner | |
| 2015 | Turkey International | Niclas Nøhr | Adam Cwalina Przemysław Wacha | 21–16, 21–15 | Winner | |
| 2017 | Hellas Open | Niclas Nøhr |  Henri Aarnio Iikka Heino | 21–17, 21–12 | Winner |
Mixed doubles
| Year | Tournament | Partner | Opponent | Score | Result | |
|---|---|---|---|---|---|---|
| 2015 | Estonian International | Amanda Madsen | Max Weißkirchen Eva Janssens | 21–17, 21–16 | Winner | |
| 2015 | Dutch International | Amanda Madsen | Kristoffer Knudsen Maja Rindshøj | 21–19, 12–21, 21–18 | Winner | |
| 2015 | Polish International | Amanda Madsen | Wong Fai Yin Chow Mei Kuan | 21–19, 21–12 | Winner |
BWF International Challenge tournament
BWF International Series tournament
BWF Future Series tournament