| 232 runs | Dafen Welfare Second XI v Kidwelly | Parc Stephens, Kidwelly | misc559453 |
| 204 runs | Neath Third XI v Llandarcy | Recreation Ground, Pontardawe | misc559431 |
| 195 runs | Dafen Welfare Second XI v Swansea Civil Service Second XI | Maescanner Road, Dafen | misc559439 |
| 182 runs | Dafen Welfare Second XI v Skewen Second XI | Maescanner Road, Dafen | misc559430 |
| 175 runs | Neath Third XI v Kidwelly | Parc Stephens, Kidwelly | misc559458 |
| 162 runs | Dafen Welfare Second XI v Llangennech Second XI | Maescanner Road, Dafen | misc559488 |
| 153 runs | Dafen Welfare Second XI v Llangennech Second XI | Recreation Ground, Llangennech | misc559442 |
| 150 runs | Skewen Second XI v Kidwelly | Coedffranc Memorial Park, Skewen | misc559422 |
| 141 runs | Skewen Second XI v Llangennech Second XI | Recreation Ground, Llangennech | misc559417 |
| 133 runs | Dafen Welfare Second XI v Llandarcy | Recreation Ground, Pontardawe | misc559406 |
| 132 runs | Dafen Welfare Second XI v Neath Third XI | Maescanner Road, Dafen | misc559419 |
| 132 runs | Swansea Civil Service Second XI v Neath Third XI | Bishop Gore Playing Fields, Swansea | misc559454 |
| 131 runs | Dyffryn v Kidwelly | Memorial Ground, Bryncoch | misc559448 |
| 121 runs | Neath Third XI v Llangennech Second XI | Recreation Ground, Llangennech | misc559402 |
| 114 runs | Gowerton Second XI v Skewen Second XI | The Athletic Ground, Gowerton | misc559489 |
| 110 runs | Dafen Welfare Second XI v Skewen Second XI | Coedffranc Memorial Park, Skewen | misc559472 |
| 109 runs | Swansea Civil Service Second XI v Llandarcy | Bishop Gore Playing Fields, Swansea | misc559425 |
