Ryan Day has made a maximum break three times in his career. His first was in 1997, when he was just 18 years old. He made his second in 2003, and his third in 2017. Day is one of only 12 players to have made a maximum break in professional competition, and he is the youngest player to have ever done so.
The Ryan Day Challenge: Exploring the Breaks and Achievements of a Welsh Snooker Pro