| Inns | HS |
| 362 | 88 | Ireland (2) v England | Lord's Cricket Ground, St John's Wood | 2023 |
| 298 | 66 | Ireland (2) v Zimbabwe | Queens Sports Club, Bulawayo | 2024/25 |
| 291 | 71* | Ireland (2) v Bangladesh | Shere Bangla National Stadium, Mirpur | 2025/26 |
| 288 | 82 | Ireland (2) v Afghanistan | Rajiv Gandhi International Cricket Stadium, Dehra Dun | 2018/19 |
| 286 | 60 | Ireland (1) v Bangladesh | Sylhet Stadium, Sylhet | 2025/26 |
| 265 | 75* | Ireland (1) v Bangladesh | Shere Bangla National Stadium, Mirpur | 2025/26 |
| 263 | 52 | Ireland (1) v Afghanistan | Tolerance Oval, Abu Dhabi | 2023/24 |
| 260 | 90* | Ireland (1) v Zimbabwe | Queens Sports Club, Bulawayo | 2024/25 |
| 254 | 52 | Ireland (2) v Bangladesh | Sylhet Stadium, Sylhet | 2025/26 |
| 250 | 79 | Ireland (1) v Zimbabwe | Civil Service Cricket Club, Stormont, Belfast | 2024 |
| 214 | 50 | Ireland (1) v Bangladesh | Shere Bangla National Stadium, Mirpur | 2022/23 |
| 207 | 55 | Ireland (1) v England | Lord's Cricket Ground, St John's Wood | 2019 |
| 202 | 85 | Ireland (2) v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 172 | 54* | Ireland (1) v Afghanistan | Rajiv Gandhi International Cricket Stadium, Dehra Dun | 2018/19 |
| 172 | 36 | Ireland (1) v England | Lord's Cricket Ground, St John's Wood | 2023 |
| 168 | 42 | Ireland (2) v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 158-6 | 56 | Ireland (2) v Zimbabwe | Civil Service Cricket Club, Stormont, Belfast | 2024 |
| 143 | 45 | Ireland (1) v Sri Lanka | Galle International Stadium, Galle | 2022/23 |
| 130 | 40 | Ireland (1) v Pakistan | The Village, Malahide, Dublin | 2018 |
| 111-4 | 58* | Ireland (2) v Afghanistan | Tolerance Oval, Abu Dhabi | 2023/24 |
| 38 | 11 | Ireland (2) v England | Lord's Cricket Ground, St John's Wood | 2019 |