| Inns | HS |
| 188-7 | 42* | Namibia v Netherlands | Tribhuvan University International Cricket Ground, Kirtipur | 2023/24 |
| 178-7 | 38 | Namibia v Zimbabwe | Queens Sports Club, Bulawayo | 2025/26 |
| 169-6 | 47 | Namibia v Zimbabwe | Queens Sports Club, Bulawayo | 2025/26 |
| 167-6 | 40 | Namibia v Zimbabwe | Harare Sports Club, Harare | 2025/26 |
| 163-7 | 44 | Namibia v Sri Lanka | GMHBA Stadium, Geelong | 2022/23 |
| 159-6 | 43 | Namibia v Scotland | ICC Cricket Academy Ground, Dubai | 2019/20 |
| 157-6 | 40* | Namibia v Tanzania | Wanderers Cricket Ground, Windhoek | 2023/24 |
| 154-3 | 47 | Namibia v Zimbabwe | United Ground, Windhoek | 2023/24 |
| 146-7 | 36 | Namibia v Canada | FNB Namibia Cricket Ground, Windhoek | 2024/25 |
| 144-5 | 43* | Namibia v Pakistan | Sheikh Zayed Stadium, Abu Dhabi | 2021/22 |
| 138-6 | 41 | Namibia v Zimbabwe | United Ground, Windhoek | 2023/24 |
| 138-6 | 30* | Namibia v South Africa | Wanderers Cricket Ground, Windhoek | 2025/26 |
| 134-6 | 40 | Namibia v Uganda | Wanderers Cricket Ground, Windhoek | 2020/21 |
| 132-8 | 26 | Namibia v India | Dubai Sports City Stadium, Dubai | 2021/22 |
| 128-8 | 28 | Namibia v Zimbabwe | Queens Sports Club, Bulawayo | 2022 |
| 127-8 | 48 | Namibia v Zimbabwe | Queens Sports Club, Bulawayo | 2022 |
| 121-6 | 43 | Namibia v Netherlands | GMHBA Stadium, Geelong | 2022/23 |
| 121-7 | 42* | Namibia v Nigeria | Achimota Senior Secondary School B Field, Accra | 2023/24 |
| 120-9 | 40* | Namibia v United States of America | Wanderers Cricket Ground, Windhoek | 2024/25 |
| 116 | 17 | Namibia v Papua New Guinea | ICC Cricket Academy Ground No 2, Dubai | 2019/20 |
| 116-4 | 35* | Namibia v Uganda | Wanderers Cricket Ground, Windhoek | 2023/24 |
| 115-6 | 32* | Namibia v Scotland | Sheikh Zayed Stadium, Abu Dhabi | 2021/22 |
| 114-6 | 26 | Namibia v Oman | Al Amerat Cricket Ground, Al Amerat | 2024 |
| 112-5 | 34 | Namibia v Papua New Guinea | Dubai Sports City Stadium, Dubai | 2019/20 |
| 111-4 | 37 | Namibia v Bermuda | ICC Cricket Academy Ground No 2, Dubai | 2019/20 |
| 111-7 | 25 | Namibia v New Zealand | Sharjah Cricket Association Stadium, Sharjah | 2021/22 |
| 111-7 | 25 | Namibia v Uganda | Achimota Senior High School A Field, Accra | 2023/24 |
| 109-6 | 45 | Namibia v Oman | Kensington Oval, Bridgetown | 2024 |
| 101 | 29 | Namibia v Zimbabwe | United Ground, Windhoek | 2023/24 |
| 101-8 | 26 | Namibia v Oman | Al Amerat Cricket Ground, Al Amerat | 2024 |
