Mark Anthony Selby is an English professional snooker player. Ranked world number one on multiple occasions, he has won a total of 22 ranking titles, placing him eighth on the all-time list of ranking tournament winners. He is a four-time World Snooker Champion, and has won the Masters three times and the UK Championship twice for a total of nine Triple Crown titles, putting him on a par with John Higgins, and behind only Ronnie O’Sullivan (23), Stephen Hendry (18) and Steve Davis (15).

The Masters is a professional invitational snooker tournament. Held every year since 1975, it is the second-longest-running professional snooker tournament after the World Championship. It is one of the three Triple Crown events, along with the UK Championship and the World Championship. Although not a ranking event, it is regarded as one of the most prestigious tournaments on the World Snooker Tour. The reigning champion is Ronnie O'Sullivan, who won his eighth Masters title in 2024, defeating Ali Carter 10‍–‍7.