Centuries By Kristjan Helgason In Season 1998-1999
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1999 World Championship |
3 | 125, 102, 100 | 22 | |
| 1999 British Open |
1 | 130 | 33 | |
| 1998 UK Championship |
1 | 110 | 30 |
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1999 World Championship |
3 | 125, 102, 100 | 22 | |
| 1999 British Open |
1 | 130 | 33 | |
| 1998 UK Championship |
1 | 110 | 30 |