Largest margins by Guernsey in Minor T20s by Innings, runs & wickets
By runs
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 122 runs | 0 | 182 | 15.5 | 20.0 | v Czech Rep. | The Hague | 2 Sep 2018 | Other T20 | |
| 38 runs | 0 | 189 | 20.0 | 20.0 | v Italy | Port Soif | 21 Jul 2011 | Other T20 | |
| 23 runs | 0 | 173 | 20.0 | 20.0 | v Norway | St Saviour | 9 May 2015 | Other T20 | |
| 21 runs | 0 | 132 | 19.1 | 20.0 | v Denmark | St Saviour | 9 May 2015 | Other T20 |
By wickets
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 10 wickets | 77 | 58 | 7.1 | 20.0 | v Norway | Castel | 19 Jul 2011 | Other T20 | |
| 10 wickets | 55 | 71 | 10.5 | 20.0 | v Gibraltar | Rotterdam | 29 Aug 2018 | Other T20 | |
| 9 wickets | 37 | 116 | 13.5 | 20.0 | v Austria | Fulking | 9 Jul 2013 | Other T20 | |
| 8 wickets | 34 | 117 | 14.2 | 20.0 | v Gibraltar | Horsham | 11 Jul 2013 | Other T20 | |
| 7 wickets | 21 | 133 | 16.3 | 20.0 | v Sweden | Horsham | 12 Jul 2013 | Other T20 | |
| 7 wickets | 29 | 80 | 15.1 | 20.0 | v Israel | Schiedam | 30 Aug 2018 | Other T20 | |
| 6 wickets | 15 | 117 | 17.3 | 20.0 | v Gibraltar | St Peter Port | 22 Jul 2011 | Other T20 |
By balls remaining in the second innings
Winner | Margin | Balls Rem | Target | Overs | Max | Opposition | Ground | Match Date | Scorecard |
| 10 wickets | 77 | 58 | 7.1 | 20.0 | v Norway | Castel | 19 Jul 2011 | Other T20 | |
| 10 wickets | 55 | 71 | 10.5 | 20.0 | v Gibraltar | Rotterdam | 29 Aug 2018 | Other T20 | |
| 9 wickets | 37 | 116 | 13.5 | 20.0 | v Austria | Fulking | 9 Jul 2013 | Other T20 | |
| 8 wickets | 34 | 117 | 14.2 | 20.0 | v Gibraltar | Horsham | 11 Jul 2013 | Other T20 | |
| 7 wickets | 29 | 80 | 15.1 | 20.0 | v Israel | Schiedam | 30 Aug 2018 | Other T20 | |
| 7 wickets | 21 | 133 | 16.3 | 20.0 | v Sweden | Horsham | 12 Jul 2013 | Other T20 | |
| 6 wickets | 15 | 117 | 17.3 | 20.0 | v Gibraltar | St Peter Port | 22 Jul 2011 | Other T20 | |
| 7 wickets | 8 | 160 | 18.4 | 20.0 | v Norway | Horsham | 8 Jul 2013 | Other T20 | |
| 5 wickets | 8 | 125 | 18.4 | 20.0 | v France | St Clement | 11 May 2015 | Other T20 | |
| 3 wickets | 6 | 98 | 19.0 | 20.0 | v Croatia | St Peter Port | 19 Jul 2011 | Other T20 | |
| 6 wickets | 3 | 108 | 19.3 | 20.0 | v Sweden | The Hague | 1 Sep 2018 | Other T20 |
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