| Inns | HS |
| 197-9 | 40 | Guernsey v Belgium | Royal Brussels Cricket Club Ground, Waterloo | 2024 |
| 192-6 | 73 | Guernsey v Belgium | Royal Brussels Cricket Club Ground, Waterloo | 2024 |
| 172-4 | 87 | Guernsey v Germany | Sportpark Het Schootsveld, Deventer | 2023 |
| 165-5 | 59 | Guernsey v Germany | Sportpark Het Schootsveld, Deventer | 2023 |
| 165-6 | 75 | Guernsey v Papua New Guinea | King George V Sports Ground, Castel | 2025 |
| 159-4 | 67* | Guernsey v Denmark | King George V Sports Ground, Castel | 2024 |
| 156-6 | 40 | Guernsey v Jersey | King George V Sports Ground, Castel | 2024 |
| 155-4 | 63* | Guernsey v Belgium | Royal Brussels Cricket Club Ground, Waterloo | 2024 |
| 154-4 | 73 | Guernsey v Switzerland | King George V Sports Ground, Castel | 2025 |
| 153-6 | 51 | Guernsey v France | Kerava National Cricket Ground, Kerava | 2022 |
| 151-9 | 37 | Guernsey v Jersey | Farmers Cricket Club Ground, St Martin | 2023 |
| 149-6 | 61 | Guernsey v Jersey | Guernsey Rovers Athletic Club Ground, Port Soif | 2024 |
| 148-4 | 46 | Guernsey v Jersey | King George V Sports Ground, Castel | 2022 |
| 141-7 | 48 | Guernsey v Jersey | College Field, St Peter Port | 2022 |
| 140-2 | 44* | Guernsey v Malta | King George V Sports Ground, Castel | 2024 |
| 139-6 | 37 | Guernsey v Austria | Tikkurila Cricket Ground, Vantaa | 2022 |
| 138-5 | 62* | Guernsey v Jersey | Sportpark Westvliet, Voorburg | 2025 |
| 134-6 | 29* | Guernsey v Jersey | Farmers Cricket Club Ground, St Martin | 2023 |
| 134 | 34 | Guernsey v Jersey | King George V Sports Ground, Castel | 2024 |
| 131-5 | 35 | Guernsey v Luxembourg | Kerava National Cricket Ground, Kerava | 2022 |
| 130-8 | 40 | Guernsey v Bulgaria | Tikkurila Cricket Ground, Vantaa | 2022 |
| 129-3 | 41 | Guernsey v Belgium | Royal Brussels Cricket Club Ground, Waterloo | 2024 |
| 128-8 | 22 | Guernsey v Jersey | College Field, St Peter Port | 2019 |
| 127-8 | 66* | Guernsey v Jersey | Grainville, St Saviour | 2025 |
| 126-2 | 46* | Guernsey v Norway | Desert Springs, Almeria | 2022 |
| 123-9 | 38 | Guernsey v Jersey | King George V Sports Ground, Castel | 2019 |
| 123-3 | 42 | Guernsey v Switzerland | King George V Sports Ground, Castel | 2025 |
| 122-9 | 35 | Guernsey v Italy | Sportpark Westvliet, Voorburg | 2025 |
| 118-7 | 23* | Guernsey v Denmark | King George V Sports Ground, Castel | 2019 |
| 117 | 43 | Guernsey v Germany | King George V Sports Ground, Castel | 2019 |
