| Years |
Days |
| 18 | 237 | JI de Villiers | Oman v Namibia | Al Amerat Cricket Ground, Al Amerat | 2019/20 |
| 18 | 337 | P Blignaut | Namibia v United States of America | Wanderers Cricket Ground, Windhoek | 2024/25 |
| 18 | 363 | MG Kariata | Namibia v Oman | Forthill, Dundee | 2024 |
| 19 | 137 | D la Cock | Scotland v Namibia | Titwood, Glasgow | 2022 |
| 19 | 243 | B Shikongo | Namibia v United Arab Emirates | Al Amerat Cricket Ground, Al Amerat | 2019/20 |
| 20 | 6 | SF Burger | England v Namibia | St George's Park, Port Elizabeth | 2002/03 |
| 20 | 142 | DO Leicher | Namibia v United States of America | Wanderers Cricket Ground, Windhoek | 2024/25 |
| 20 | 229 | BO van Rooi | India v Namibia | City Oval, Pietermaritzburg | 2002/03 |
| 21 | 70 | SJ Swanepoel | Zimbabwe v Namibia | Harare Sports Club, Harare | 2002/03 |
| 21 | 93 | JC Balt | Oman v Namibia | Al Amerat Cricket Ground, Al Amerat | 2024/25 |
| 21 | 169 | AJ Burger | Zimbabwe v Namibia | Harare Sports Club, Harare | 2002/03 |
| 21 | 257 | JN Loftie-Eaton | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2021/22 |
| 21 | 286 | G Snyman | Zimbabwe v Namibia | Harare Sports Club, Harare | 2002/03 |
| 22 | 184 | R Walters | Zimbabwe v Namibia | Harare Sports Club, Harare | 2002/03 |
| 22 | 198 | ZE Green | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2019 |
| 22 | 324 | L Louwrens | Namibia v Oman | Dubai Sports City Stadium, Dubai | 2021/22 |
| 23 | 6 | S Fouché | Namibia v Scotland | Tribhuvan University International Cricket Ground, Kirtipur | 2022/23 |
| 23 | 31 | KJ Birkenstock | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2019 |
| 23 | 168 | JJ Smit | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2019 |
| 23 | 298 | RC Trumpelmann | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2021/22 |
| 23 | 351 | MG Erasmus | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2019 |
| 24 | 33 | M van Lingen | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2021/22 |
| 24 | 61 | BL Kotze | Zimbabwe v Namibia | Harare Sports Club, Harare | 2002/03 |
| 24 | 335 | LJ Burger | Zimbabwe v Namibia | Harare Sports Club, Harare | 2002/03 |
| 25 | 4 | JP Kotze | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2019 |
| 25 | 21 | JN Frylinck | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2019 |
| 25 | 97 | N Davin | Namibia v United States of America | Wanderers Cricket Ground, Windhoek | 2022/23 |
| 25 | 213 | M Karg | Zimbabwe v Namibia | Harare Sports Club, Harare | 2002/03 |
| 25 | 327 | MD du Preez | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2021/22 |
| 26 | 101 | Z Groenewald | United States of America v Namibia | Central Broward Regional Park Stadium Turf Ground, Lauderhill | 2019 |
| 26 | 363 | SJ Baard | Namibia v Oman | Wanderers Cricket Ground, Windhoek | 2019 |
