Women's Twenty20 Batting and Fielding in Each Season by Chamani Seneviratne
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2009-10 | (Sri Lanka) | 5 | 4 | 0 | 11 | 6 | 2.75 | 0 | 0 | 1 | |
| 2010 | (West Indies) | 6 | 6 | 0 | 23 | 11 | 3.83 | 0 | 0 | 5 | |
| 2010-11 | (South Africa) | 3 | 2 | 1 | 9 | 7* | 9.00 | 0 | 0 | 0 | |
| 2010-11 | (Sri Lanka) | 8 | 7 | 3 | 55 | 15* | 13.75 | 0 | 0 | 5 | |
| 2011-12 | (Sri Lanka) | 5 | 5 | 1 | 41 | 12* | 10.25 | 0 | 0 | 3 | |
| 2011-12 | (West Indies) | 5 | 4 | 0 | 28 | 25 | 7.00 | 0 | 0 | 2 | |
| 2012-13 | (China) | 1 | 1 | 0 | 3 | 3 | 3.00 | 0 | 0 | 1 | |
| 2012-13 | (Sri Lanka) | 8 | 7 | 3 | 38 | 14 | 9.50 | 0 | 0 | 2 | |
| 2013 | (Ireland) | 5 | 0 | | | | | | | 0 | |
| 2013 | (Sri Lanka) | 5 | 5 | 1 | 83 | 38 | 20.75 | 0 | 0 | 3 | |
| 2013-14 | (South Africa) | 3 | 1 | 1 | 0 | 0* | | 0 | 0 | 0 | |
| 2018 | (Netherlands) | 5 | 5 | 1 | 40 | 17 | 10.00 | 0 | 0 | 2 | |
| 2018-19 | (Thailand) | 11 | 11 | 3 | 172 | 33 | 21.50 | 0 | 0 | 1 | |
| 2021-22 | (United Arab Emirates) | 4 | 4 | 0 | 138 | 63 | 34.50 | 0 | 2 | 2 | |
| 2022 | (United Arab Emirates) | 3 | 3 | 0 | 21 | 11 | 7.00 | 0 | 0 | 0 | |