Centuries By Alan McManus In Season 2003-2004
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 2004 World Championship |
1 | 103 | 27 | |
| 2004 Players Championship |
1 | 102 | 13 | |
| 2004 Welsh Open |
2 | 103, 100 | 13 | |
| 2003 UK Championship |
3 | 119, 112, 106 | 10 | |
| 2003 British Open |
1 | 123 | 9 |