Centuries By Ronnie O'Sullivan In Season 2002-2003
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 2003 World Championship |
1 | 147 | 16 | |
| 2003 Irish Masters |
4 | 128, 128, 118, 106 | 12.5 | |
| 2003 European Open |
8 | 142, 140, 139, 129, 126, 121, 112, 102 | 5.88 | |
| 2003 Masters |
2 | 112, 105 | 9 | |
| 2003 Welsh Open |
2 | 109, 104 | 13 | |
| 2003 Premier League | 4 | 114, 105, 101, 100 | 14.5 | |
| 2002 UK Championship |
2 | 128, 109 | 21 | |
| 2002 British Open |
3 | 134, 123, 114 | 5 | |
| 2002 LG Cup |
2 | 134, 113 | 10.5 | |
| 2002 Scottish Masters |
2 | 136, 112 | 15.5 |