Centuries By John Spencer In Season 1971-1972
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1972 Park Drive 2000 - Spring | 1 | 101 | 56 | |
 1971 Park Drive 2000 - Autumn |
4 | 136, 126, 122, 113 | 15.25 | |
| 1972 World Championship |
3 | 123, 109, 101 | 63 |