Tennis Coaching Lessons / Mini Tennis, Cardiff. UWIC Tennis Academy. "The aim of XL Tennis is to provide a system of coaching that maximise the potential of any player regardless of age and ability" From 1st June 2004 XL tennis signed a contract to exclusively mange and implement it's unique tennis training system at UWIC Tennis centre. With 4 indoor courts and 4 floodlit outdoor courts, the facilities at UWIC are excellent, providing the perfect teaching environment all year round for players of all ages and abilities. Any age, any standard - there is a place for you at UWIC Tennis Academy! Contact: Ellen Jones