![England, London, June 29, 2015, Tennis, Wimbledon, practisecourts, Robin Haase (NED) and his coach Mark de Jong Photo: Tennisima Stock Photo - Alamy England, London, June 29, 2015, Tennis, Wimbledon, practisecourts, Robin Haase (NED) and his coach Mark de Jong Photo: Tennisima Stock Photo - Alamy](https://c8.alamy.com/comp/FXEN3A/england-london-june-29-2015-tennis-wimbledon-practisecourts-robin-FXEN3A.jpg)
England, London, June 29, 2015, Tennis, Wimbledon, practisecourts, Robin Haase (NED) and his coach Mark de Jong Photo: Tennisima Stock Photo - Alamy
![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/MTk0NTU3MjUwMDIxMzY5MjE5/gettyimages-1365710104.jpg)
When Robin Haase's friend was murdered, he never thought to look within his own tennis circle - Sports Illustrated
![19-08-12, Netherlands, Amstelveen, NTK, Finale Heren Mark de Jong coach of Robin Haas Stock Photo - Alamy 19-08-12, Netherlands, Amstelveen, NTK, Finale Heren Mark de Jong coach of Robin Haas Stock Photo - Alamy](https://c8.alamy.com/comp/FXEN34/19-08-12-netherlands-amstelveen-ntk-finale-heren-mark-de-jong-coach-FXEN34.jpg)