Dolphins and Knights have met 24 times in the CSA T20 (2007-2024) - Dolphins lead 14-8 in decided matches, with 2 producing no result.
| All seasons | 24 | 14 | 8 | 2 |
“No result” covers washouts - and, in T20 leagues, super-over finishes, which the ball-by-ball record stores without a winner.
In decided CSA T20 matches Dolphins lead 14-8: Dolphins 14, Knights 8. 2 produced no result.
| 2006 | 1 | 0 | 1 | 0 | 0 |
| 2007 | 2 | 1 | 1 | 0 | 0 |
| 2008 | 1 | 1 | 0 | 0 | 0 |
| 2009 | 1 | 0 | 1 | 0 | 0 |
| 2010 | 1 | 1 | 0 | 0 | 0 |
| 2011 | 2 | 1 | 1 | 0 | 0 |
| 2012 | 2 | 1 | 1 | 0 | 0 |
| 2013 | 2 | 2 | 0 | 0 | 0 |
| 2014 | 2 | 0 | 1 | 0 | 1 |
| 2015 | 2 | 1 | 1 | 0 | 0 |
| 2016 | 2 | 1 | 1 | 0 | 0 |
| 2017 | 1 | 1 | 0 | 0 | 0 |
| 2018 | 1 | 1 | 0 | 0 | 0 |
| 2020 | 1 | 1 | 0 | 0 | 0 |
| 2021 | 1 | 1 | 0 | 0 | 0 |
| 2022 | 1 | 0 | 0 | 0 | 1 |
| 2024 | 1 | 1 | 0 | 0 | 0 |
| 2024 | 2024-10-16 | Mangaung Oval, Bloemfontein | W | 6 wickets |
| 2022 | 2022-10-28 | Senwes Park | NR | - |
| 2021 | 2022-02-08 | St George's Park, Gqeberha | W | 8 wickets |
| 2020 | 2021-02-20 | Kingsmead | W | 4 wickets |
| 2018 | 2019-04-06 | Kingsmead | W | 4 wickets |
| 2017 | 2017-12-08 | Mangaung Oval, Bloemfontein | W | 6 wickets |
| 2016 | 2016-12-11 | Kingsmead | L | 9 wickets |
| 2016 | 2016-11-25 | Mangaung Oval, Bloemfontein | W | 8 wickets |
| 2015 | 2015-11-28 | St George's Park, Gqeberha | L | 8 wickets |
| 2015 | 2015-11-06 | Diamond Oval, Kimberley | W | 9 wickets |