Tenniscoach Mark de J. gearresteerd in zaak Koen Everink, Matwé Middelkoop reageert geschokt - Omroep Brabant
Sports Illustrated on Twitter: "In 2016, Koen Everink, a team member of the tennis player Robin Haase, was found dead in his home. What unfolded next turned the pro's world upside down:
![Coach of tennis player Robin Haase arrested in connection with murder of Dutch millionaire – New York Daily News Coach of tennis player Robin Haase arrested in connection with murder of Dutch millionaire – New York Daily News](https://www.nydailynews.com/resizer/rsd2_qoKUUZnCmubLEJYTj9pdpI=/1200x630/filters:format(jpg):quality(70)/arc-anglerfish-arc2-prod-tronc.s3.amazonaws.com/public/ZRBUIKEQJBQG3HICLYXG4FLWO4.jpg)
Coach of tennis player Robin Haase arrested in connection with murder of Dutch millionaire – New York Daily News
![When Robin Haase's friend was murdered, he never thought to look within his own tennis circle - Sports Illustrated When Robin Haase's friend was murdered, he never thought to look within his own tennis circle - Sports Illustrated](https://www.si.com/.image/c_fit%2Ccs_srgb%2Cfl_progressive%2Cq_auto:good%2Cw_620/MTk0NTU3MjYxNTY0MDk0MDYy/gettyimages-1370389664.jpg)