Women's Twenty20 Batting and Fielding in Each Season by Ellen Watson
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2018 | (England) | 7 | 5 | 2 | 12 | 5* | 4.00 | 0 | 0 | 1 | |
| 2019 | (Netherlands) | 5 | 4 | 1 | 37 | 17 | 12.33 | 0 | 0 | 2 | |
| 2019 | (Scotland) | 3 | 1 | 1 | 3 | 3* | | 0 | 0 | 0 | |
| 2019 | (England) | 3 | 3 | 2 | 5 | 3 | 5.00 | 0 | 0 | 0 | |
| 2021 | (England) | 4 | 4 | 0 | 35 | 18 | 8.75 | 0 | 0 | 2 | |
| 2021 | (Ireland) | 1 | 1 | 0 | 2 | 2 | 2.00 | 0 | 0 | 1 | |
| 2021-22 | (Malaysia) | 1 | 1 | 1 | 30 | 30* | | 0 | 0 | 0 | |
| 2022 | (United Arab Emirates) | 2 | 2 | 0 | 3 | 3 | 1.50 | 0 | 0 | 0 | |
| 2023 | (Scotland) | 1 | 1 | 0 | 39 | 39 | 39.00 | 0 | 0 | 1 | |
| 2023 | (Spain) | 2 | 2 | 1 | 9 | 8 | 9.00 | 0 | 0 | 0 | |
| 2023 | (England) | 2 | 2 | 0 | 5 | 5 | 2.50 | 0 | 0 | 0 | |
| 2023 | (Netherlands) | 4 | 3 | 0 | 10 | 5 | 3.33 | 0 | 0 | 1 | |
| 2023-24 | (Spain) | 2 | 1 | 0 | 3 | 3 | 3.00 | 0 | 0 | 0 | |
| 2024 | (Netherlands) | 2 | 1 | 0 | 2 | 2 | 2.00 | 0 | 0 | 3 | 2 |
| 2024 | (England) | 2 | 2 | 0 | 52 | 35 | 26.00 | 0 | 0 | 0 | |