Narrowest Margin of Runs Defeat
| 2 runs | by Ragama Cricket Club | Colombo Cricket Club Ground, Colombo | 2006/07 | tt533 |
| 8 runs | by Moors Sports Club | Burgher Recreation Club Ground, Colombo | 2018/19 | tt7543 |
| 10 runs | by Badureliya Sports Club | Sinhalese Sports Club Ground, Colombo | 2014/15 | tt4833 |
| 10 runs | by Badureliya Sports Club | Burgher Recreation Club Ground, Colombo | 2017/18 | tt6833 |
| 14 runs | by Chilaw Marians Cricket Club | P Sara Oval, Colombo | 2019/20 | tt8744 |
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