| 283 runs | v Eastern Province | Ramblers Cricket Club Ground, Bloemfontein | 1952/53 | f19909 |
| 273 runs | v Transvaal B | Strathvaal Cricket Club A Ground, Stilfontein | 1975/76 | f31013 |
| 226 runs | v Eastern Province | St George's Park, Port Elizabeth | 1939/40 | f16756 |
| 222 runs | v Griqualand West | Ramblers Cricket Club Ground, Bloemfontein | 1959/60 | f23076 |
| 200 runs | v Border | Ramblers Cricket Club Ground, Bloemfontein | 1976/77 | f31323 |
| 196 runs | v Border | Old Wanderers Pirates Lower Back Ground, Johannesburg | 1931/32 | f13742 |
| 185 runs | v Eastern Province | South African Railways Club Old Ground, Bloemfontein | 1937/38 | f16048 |
| 184 runs | v Rhodesia | Ramblers Cricket Club Ground, Bloemfontein | 1929/30 | f12976 |
| 179 runs | v Transvaal | Springbok Park, Bloemfontein | 1994/95 | f41610 |
| 165 runs | v Western Province | Ramblers Cricket Club Ground, Bloemfontein | 1947/48 | f17843 |
| 159 runs | v Natal | Ramblers Cricket Club Ground, Bloemfontein | 1952/53 | f19885 |
| 155 runs | v Transvaal B | Ramblers Cricket Club Ground, Bloemfontein | 1984/85 | f35513 |
| 151 runs | v Natal | Springbok Park, Bloemfontein | 1993/94 | f40719 |
| 149 runs | v Griqualand West | De Beers Stadium, Kimberley | 1951/52 | f19399 |
| 144 runs | v Northern Transvaal | Springbok Park, Bloemfontein | 1991/92 | f39817 |
| 132 runs | v Zimbabwe-Rhodesia B | Ramblers Cricket Club Ground, Bloemfontein | 1979/80 | f32939 |
| 114 runs | v Western Province | Springbok Park, Bloemfontein | 1992/93 | f40335 |
| 101 runs | v Northern Transvaal B | Willowmoore Park Main Oval, Benoni | 1982/83 | f34319 |
| 101 runs | v Transvaal | Harmony Gold Mine Cricket Club A Ground, Virginia | 1991/92 | f39531 |
| 89 runs | v Northern Transvaal | Centurion Park, Verwoerdburg | 1986/87 | f36697 |
| 80 runs | v Griqualand West | De Beers Stadium, Kimberley | 1955/56 | f21191 |
| 73 runs | v Border | Ramblers Cricket Club Ground, Bloemfontein | 1926/27 | f11808 |
| 70 runs | v Border | Goble Park, Bethlehem | 1936/37 | f15614 |
| 55 runs | v Rhodesia | Bulawayo Athletic Club, Bulawayo | 1951/52 | f19405 |
| 54 runs | v Natal B | Ramblers Cricket Club Ground, Bloemfontein | 1984/85 | f35464 |
| 51 runs | v Northern Transvaal | Springbok Park, Bloemfontein | 1989/90 | f38526 |
