Known for his fast and attacking style of play, O'Sullivan gained the nickname "The Rocket" after winning a best-of-nine frame match in a record 43 minutes during his debut season as a professional. A prolific breakbuilder and solid tactical player, he has stated his disdain for long, drawn-out games, saying that they harm the game of snooker. He is right-handed but can play to a high standard with his left hand and routinely alternates where needed, enabling him to attempt shots with his left hand that would otherwise require a or . When he first displayed this left-handed ability in the 1996 World Championship against Alain Robidoux, the Canadian accused him of disrespect and refused to shake hands after the match.