Ronald Antonio O'Sullivan is an English professional snooker player. Widely recognised as one of the most talented and accomplished players in snooker history, he has won the World Snooker Championship seven times, a modern-era record he holds jointly with Stephen Hendry. He has also won a record eight Masters titles and a record eight UK Championship titles for a total of 23 Triple Crown titles, the most achieved by any player. He holds the record for the most ranking titles, with 41, and has held the top ranking position multiple times.

The 2023 UK Championship was a professional snooker tournament that took place from 25 November to 3 December 2023 at the York Barbican in York, England. The 47th edition of the UK Championship, first held in 1977, it was the eighth ranking event of the 2023–24 snooker season, following the International Championship and preceding the Snooker Shoot Out. It was also the season's first Triple Crown event, preceding the Masters and the World Championship. Organised by the World Snooker Tour and sponsored by online casino MrQ, the event was broadcast by the BBC domestically, by Discovery+ and Eurosport in Europe, and by other broadcasters worldwide. The winner received £250,000 from a total prize fund of £1,205,000.