[2] He started playing snooker in about 1946 on a scaled-down table belonging to a family member, and then at a billiard hall in Ealing from the age of 15.

[4] He first won the English Amateur Championship in 1957, with an 11–6 defeat of Stan Haslam in the final, followed by further title wins in 1960 (11–4 against John Price) and 1962 (11–9 against Jonathan Barron).

In the 1973 World Snooker Championship, Gross lost 2–9 to Perrie Mans, and at the 1973 Norwich Union Open he was eliminated 2–4 by Barron.

[10] Snooker historian Clive Everton has suggested that Gross might have achieved much more as a professional if he had made the transition some years earlier than he did.

In 1973, he opened the Ron Gross Snooker Centre in Neasden, and advised young players including Jimmy White, Tony Meo and Neal Foulds.