| Bowls Grand Prix 2019 | 09/12 14:55 | - | Matthew Orrey v Jason Greenslade | 2-1 | |
| Bowls Grand Prix 2019 | 09/12 13:26 | - | Jason Greenslade v Danny Brown | 1-2 | |
| Bowls Grand Prix 2019 | 09/12 10:00 | 1 | Jason Greenslade v Nicholas Brett | 2-0 | |
| Bowls Grand Prix 2019 | 09/12 06:52 | - | Mathew Orrey v Jason Greenslade | 2-1 | |
| Bowls Grand Prix 2019 | 09/05 15:40 | - | Jason Greenslade v Les Gillett | 2-1 | |
| Bowls Grand Prix 2019 | 09/05 13:30 | 1 | Jason Greenslade v Janice Gower | 2-0 | |
| Bowls Grand Prix 2019 | 09/05 11:30 | - | Jason Greenslade v Les Gillett | 0.5-1.5 | |
| Bowls Grand Prix 2019 | 09/05 06:48 | - | Philip Rowlands v Jason Greenslade | 1-2 | |
| Bowls Grand Prix 2023 | 08/15 12:30 | 1 | Jason Greenslade v Robert Paxton | 0-2 | |
| Bowls Grand Prix 2023 | 08/15 10:00 | 1 | Jason Greenslade v Nick Brett | 0.5-1.5 | |
| Bowls Grand Prix 2023 | 03/07 08:00 | 1 | Scott Edwards v Jason Greenslade | 1.5-0.5 |
Jason John Greenslade (born 6 March 1970) is a Welsh international indoor and lawn bowler. After moving to Guernsey in 2022 he later represented them in competition.