Centuries By John Spencer In Season 1970-1971
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1970 World Championship |
6 | 126, 107, 106, 105, 105, 102 | 43.83 |
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1970 World Championship |
6 | 126, 107, 106, 105, 105, 102 | 43.83 |