Centuries By Fergal O'Brien In Season 1997-1998
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1998 World Championship |
1 | 137 | 54 | |
| 1998 Scottish Open |
2 | 109, 103 | 20 | |
| 1998 Welsh Open |
1 | 119 | 25 |
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1998 World Championship |
1 | 137 | 54 | |
| 1998 Scottish Open |
2 | 109, 103 | 20 | |
| 1998 Welsh Open |
1 | 119 | 25 |