Centuries By John Spencer In Season 1988-1989
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1988 UK Championship |
1 | 111 | 16 | |
| 1988 Grand Prix |
1 | 113 | 16 |
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1988 UK Championship |
1 | 111 | 16 | |
| 1988 Grand Prix |
1 | 113 | 16 |