Twenty20 Batting and Fielding in Each Season by Tim Seifert
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2014-15 | (New Zealand) | 11 | 8 | 4 | 68 | 36 | 17.00 | 0 | 0 | 5 | 2 |
| 2015-16 | (New Zealand) | 9 | 8 | 2 | 133 | 39* | 22.16 | 0 | 0 | 3 | 2 |
| 2016-17 | (New Zealand) | 10 | 8 | 0 | 113 | 41 | 14.12 | 0 | 0 | 3 | |
| 2017-18 | (New Zealand) | 14 | 13 | 1 | 352 | 107 | 29.33 | 1 | 1 | 8 | 5 |
| 2018-19 | (New Zealand) | 11 | 11 | 0 | 310 | 84 | 28.18 | 0 | 2 | 15 | 1 |
| 2018-19 | (United Arab Emirates) | 6 | 5 | 0 | 56 | 26 | 11.20 | 0 | 0 | 2 | |
| 2019 | (Sri Lanka) | 3 | 3 | 0 | 38 | 15 | 12.66 | 0 | 0 | 0 | 1 |
| 2019-20 | (New Zealand) | 19 | 18 | 2 | 561 | 75 | 35.06 | 0 | 5 | 16 | 2 |
| 2020 | (West Indies) | 12 | 9 | 3 | 133 | 39* | 22.16 | 0 | 0 | 6 | 3 |
| 2020-21 | (New Zealand) | 21 | 19 | 1 | 519 | 84* | 28.83 | 0 | 4 | 24 | 3 |
| 2021 | (West Indies) | 11 | 10 | 2 | 177 | 40* | 22.12 | 0 | 0 | 4 | |
| 2021 | (United Arab Emirates) | 1 | 1 | 0 | 2 | 2 | 2.00 | 0 | 0 | 0 | |
| 2021-22 | (India) | 3 | 3 | 0 | 42 | 17 | 14.00 | 0 | 0 | 1 | |
| 2021-22 | (New Zealand) | 10 | 10 | 2 | 239 | 88* | 29.87 | 0 | 1 | 7 | 1 |
| 2021-22 | (United Arab Emirates) | 2 | 2 | 1 | 16 | 8* | 16.00 | 0 | 0 | 0 | |
| 2022 | (England) | 4 | 4 | 1 | 139 | 100* | 46.33 | 1 | 0 | 3 | |
| 2022 | (India) | 2 | 2 | 0 | 24 | 21 | 12.00 | 0 | 0 | 1 | |
| 2022 | (West Indies) | 10 | 9 | 0 | 221 | 59 | 24.55 | 0 | 1 | 7 | 1 |
| 2022-23 | (New Zealand) | 13 | 12 | 1 | 412 | 88 | 37.45 | 0 | 4 | 12 | 5 |
| 2023 | (England) | 4 | 4 | 0 | 115 | 48 | 28.75 | 0 | 0 | 3 | |
| 2023 | (Sri Lanka) | 7 | 7 | 1 | 231 | 74 | 38.50 | 0 | 3 | 3 | |
| 2023 | (United Arab Emirates) | 3 | 3 | 0 | 75 | 55 | 25.00 | 0 | 1 | 2 | 1 |
| 2023-24 | (Pakistan) | 11 | 11 | 1 | 267 | 52 | 26.70 | 0 | 1 | 3 | 1 |
| 2023-24 | (New Zealand) | 11 | 11 | 0 | 186 | 43 | 16.90 | 0 | 0 | 8 | 1 |
| 2024 | (Sri Lanka) | 10 | 10 | 3 | 400 | 104* | 57.14 | 1 | 2 | 7 | |
| 2024 | (West Indies) | 12 | 12 | 3 | 257 | 64 | 28.55 | 0 | 1 | 3 | 1 |
| 2024-25 | (United Arab Emirates) | 5 | 4 | 0 | 46 | 16 | 11.50 | 0 | 0 | 3 | |
| 2024-25 | (Australia) | 10 | 10 | 1 | 200 | 55 | 22.22 | 0 | 1 | 10 | 2 |