Centuries By John Giles In Season 1998-1999
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1999 Thailand Masters |
1 | 115 | 23 | |
| 1998 UK Championship |
1 | 105 | 14 |
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1999 Thailand Masters |
1 | 115 | 23 | |
| 1998 UK Championship |
1 | 105 | 14 |