From the age of eight until his introduction to the Slater Squad, Henman received coaching from the David Lloyd Tennis Centre, where he was given personal lessons by former professional player Onny Parun from New Zealand.
Mulai usia 8 tahun sampai ia dikenalkan ke Slater Squad, Henman berlatih di David Lloyd Tennis Centre, dimana ia diberikan pelajaran privat oleh mantan petenis Selandia Baru Onny Parun.