Rubuta ci gaba don wannan sakin layi - Jonker ya lashe lambar yabo tare da tawagar kasa a lokuta biyar a cikin aikinsa. Ya lashe lambobin yabo uku a Gasar EuroHockey, zinare a shekarar 2015, da tagulla a shekarar 2009
da kuma 2013. Ya kuma lashe azurfa a gasar cin kofin duniya ta FIH ta 2014 da kuma zinare a gasar cin kofin duniya ta FIH ta 2012-13.