A former national tennis player, Hashim Sidek represented Singapore in Davis Cup, SEA Games and at various regional tournaments where he had won numerous medals along the way. With over 20 years of coaching experience, Hashim is committed to getting his students into shape for matches. He has received coaching accreditation from ITF World Coaches Workshop by the Ministry of Education, Singapore Sports Council and Singapore Primary Schools Sports Council.

He is currently the Head Coach of the Junior Tennis Development Programme (JTDP), which is held every Fridays and Sundays since October 2007. The Programme has over a hundred of students, with ages ranging from seven years old to sixteen years old, and have different levels of skills from Beginners, Intermediate to Advanced. He also conducts private coaching lessons for both adults and children.