Centuries By John Parrott In Season 1988-1989
| Tournament | Total | Breaks - Venue | Breaks - Qualifying | Rate |
|---|---|---|---|---|
 1989 World Championship |
4 | 110, 104, 103, 102 | 26.5 | |
| 1989 British Open |
2 | 103 | 118 | 21 |
| 1989 English Professional Championship |
4 | 130, 105, 102, 100 | 12.75 | |
| 1989 European Open |
3 | 116, 106, 106 | 14.67 | |
| 1989 Matchroom League | 2 | 137, 104 | 36 | |
| 1989 Classic |
1 | 105 | 29 | |
| 1988 World Matchplay |
3 | 135, 114, 108 | 15 | |
| 1988 UK Championship |
3 | 134, 124, 108 | 19.33 | |
| 1988 Canadian Masters |
1 | 110 | 32 |