Centuries By Tony Knowles In Season 1989-1990
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1989 UK Championship |
2 | 127, 104 | 21.5 | |
| 1989 New Zealand Masters |
1 | 109 | 27 |
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1989 UK Championship |
2 | 127, 104 | 21.5 | |
| 1989 New Zealand Masters |
1 | 109 | 27 |