Williams began his career as a junior at the Prested Hall Real Tennis Club in Feering, Essex.
Following a loss in the 2012 British Under 18's Final to Levi Gale, Williams made his French Open debut in Bordeaux, losing in the first round to Ben Taylor-Matthews.
Williams progressed through three rounds of qualifying, beating Andrew Knibbs, Scott Blaber and Darren Long on the way, the former two in three set matches.
He did reach a second doubles quarter final with Brett McFarlane, overcoming the Australian amateur pair of Peter Estcourt and Walter Cockram in the first round.
Despite defending the British Under 21's Open in 2015 against Jonny Whitaker, Williams stepped back from real tennis in 2016.
He only played the IRTPA Doubles Championship at his home court of Prested in 2016 and 2018, dropping out in the first round on both occasions.
In the British Open, Williams drew his first round against women's World Champion Claire Fahey.
[8] In 2024, Williams did not progress past the first round of the Australian Open, losing to Darren Long in five sets.
At the start of 2025, Williams reached his first doubles semi final at the 2025 Australian Open, playing with John Woods-Casey.