| World Bowls singolare 2023 | 01/20 10:00 | 3 | Jason Banks v Jason Greenslade | 2-0 | |
| World Bowls singolare 2023 | 01/17 10:00 | 8 | Jason Greenslade v Mervyn King | 1.5-0.5 | |
| World Bowls singolare 2024 | 01/08 19:30 | 7 | Jason Greenslade v Neil Furman | 2-0 | |
| World Bowls singolare 2024 | 01/20 19:30 | 8 | Greg Harlow v Jason Greenslade | 2-1 | |
| Bowls Grand Prix 2021 | 09/27 14:30 | - | Jason Greenslade v Mark Royal | 0-2 | |
| Bowls Grand Prix 2021 | 09/27 13:40 | - | Jason Greenslade v Mark Royal | 0-2 | |
| Bowls Grand Prix 2021 | 09/27 10:00 | - | Perry Martin v Jason Greenslade | 1-2 | |
| Bowls Grand Prix 2021 | 09/27 09:00 | - | Mark Royal v Jason Greenslade | 0-2 | |
| Bowls Grand Prix 2021 | 09/27 07:00 | - | Jason Greenslade v Perry Martin | 2-0 | |
| Bowls Grand Prix 2021 | 09/20 11:40 | - | Craig Newton v Jason Greenslade | 2-0 | |
| Bowls Grand Prix 2021 | 09/20 10:00 | - | Jason Greenslade v Kevin Rands | 0-2 | |
| Bowls Grand Prix 2021 | 09/20 08:00 | - | Jason Greenslade v Craig Newton | 1-2 |
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.