| # | Name | Score | Name | Score | Wk | Club | Date | Opposition | Ground | Grade | Runs |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | AC Botha | 157 | EJG Morgan | 209 | 3 | IRE | 10-Feb-2007 | UAE | Abu Dhabi | IC05-07 | 360 |
| 2 | SO Tikolo | 220 | HS Modi | 98 | 4 | KEN | 23-Oct-2005 | Bermuda | United Ground Windhoek | IC05-07 | 331 |
| 3 | SO Tikolo | 169 | SR Waters | 157 | 3 | KEN | 14-Aug-2009 | Canada | King City, Toronto | IC09-10 | 330 |
| 4 | EC Joyce | 205 | WTS Porterfield | 186 | 2 | IRE | 24-Oct-2015 | Namibia | Wanderers CC Windhoek | IC15-17 | 326 |
| 5 | JP Bray | 190 | NJ O'Brien | 176 | 2 | IRE | 23-Oct-2005 | UAE | Wanderers CC Windhoek | IC05-07 | 304 |
| 6 | HS Modi | 106 | SO Tikolo | 177 | 4 | KEN | 27-Oct-2005 | Ireland | Wanderers CC Windhoek | IC05-07 | 267 |
| 7 | RR Watson | 154 | NFI McCallum | 181 | 4 | SCO | 02-Aug-2007 | Netherlands | Mannofield Aberdeen | IC07-08 | 238 |
| 8 | S Williams | 178 | KM Dabengwa | 140 | 4 | ZIM | 20-Sep-2010 | Ireland | Harare Sports Club | IC09-10 | 237 |
| 9 | AC Botha | 186 | AR Cusack | 130 | 6 | IRE | 09-Aug-2007 | Scotland | Stormont Belfast | IC07-08 | 234 |
| 10 | JM Davison | 165 | IS Billcliff | 126 | 3 | CAN | 12-Aug-2006 | Bermuda | Maple Leaf NW Toronto | IC05-07 | 233 |
| 11 | RN ten Doeschate | 146 | B Zuiderent | 149 | 2 | NETH | 03-Apr-2008 | UAE | Sharjah CA Stadium | IC07-08 | 232 |
| 12 | PR Stirling | 146 | EC Joyce | 231 | 2 | IRE | 02-Jun-2015 | UAE | Malahide | IC15-17 | 231 |
| 13 | AC Botha | 122 | WTS Porterfield | 166 | 2 | IRE | 23-Aug-2007 | Bermuda | Clontarf CC Dublin | IC07-08 | 221 |
| 14 | JF Mooney | 107 | AR White | 144 | 6 | IRE | 11-Aug-2010 | Netherlands | Rathmines, Dublin | IC09-10 | 221 |
| 15 | S Mukuddem | 90 | DL Hemp | 247 | 7 | BER | 21-Nov-2006 | Netherlands | LC de Villiers Pretoria | IC05-07 | 219 |
| 16 | KJ O'Brien | 171 | AR White | 92 | 5 | IRE | 11-Oct-2008 | Kenya | Gymkhana Club Nairobi | IC07-08 | 214* |
| 17 | CO Obuya Otieno | 89 | DO Obuya | 115 | 2 | KEN | 20-Feb-2010 | Netherlands | Gymkhana Club Nairobi | IC09-10 | 203 |
| 18 | JP Bray | 146 | WTS Porterfield | 54 | 1 | IRE | 22-May-2007 | Canada | Grace Road Leicester | IC05-07 | 202 |
| 19 | MD Dai | 91 | A Vala | 124 | 5 | PNG | 16-Jun-2015 | Netherlands | VRA Amstelveen | IC15-17 | 200 |
| 20 | SF Burger | 85 | CG Williams | 140 | 3 | NAM | 29-Sep-2012 | Kenya | Windhoek | IC11-13 | 192 |