Tennis at The Royal College has produced great results over the years. This includes winning the Public Schools tennis event, National School Games and the Annual Royal-Thomian encounter while also producing many Davis Cup players.

Tennis at the College starts from Grade 1 and goes all the way to Grade 13. In the primary school also have the opportunity to take part in the Red Ball, Orange Ball and Green Ball All Island events. From grade 6 onwards students have an opportunity to play for the Royal College Under 13, 15, 17 & 19 teams.