Centuries By Mark Johnston-Allen In Season 1988-1989
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1989 British Open |
1 | 140 | 35 | |
| 1989 European Open |
1 | 102 | 32 | |
| 1989 Classic |
1 | 109 | 12 |
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
| 1989 British Open |
1 | 140 | 35 | |
| 1989 European Open |
1 | 102 | 32 | |
| 1989 Classic |
1 | 109 | 12 |