First-Class Batting and Fielding in Each Season by Harsha Vithana
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2003-04 | (Sri Lanka) | 4 | 6 | 0 | 72 | 26 | 12.00 | 0 | 0 | 0 | |
| 2004-05 | (Sri Lanka) | 9 | 13 | 1 | 387 | 120 | 32.25 | 2 | 0 | 5 | |
| 2005-06 | (Sri Lanka) | 12 | 19 | 2 | 283 | 44 | 16.64 | 0 | 0 | 12 | |
| 2006-07 | (Sri Lanka) | 9 | 17 | 3 | 497 | 87 | 35.50 | 0 | 3 | 6 | |
| 2007-08 | (Sri Lanka) | 9 | 15 | 0 | 395 | 66 | 26.33 | 0 | 2 | 4 | |
| 2008-09 | (Sri Lanka) | 7 | 9 | 0 | 198 | 113 | 22.00 | 1 | 0 | 3 | |
| 2010-11 | (Sri Lanka) | 8 | 14 | 0 | 206 | 51 | 14.71 | 0 | 1 | 6 | |
| 2011-12 | (Sri Lanka) | 8 | 12 | 0 | 453 | 157 | 37.75 | 1 | 2 | 9 | |
| 2012-13 | (Sri Lanka) | 6 | 11 | 2 | 174 | 38 | 19.33 | 0 | 0 | 7 | |
| 2013-14 | (Sri Lanka) | 5 | 8 | 0 | 167 | 53 | 20.87 | 0 | 1 | 7 | |
| 2014-15 | (Sri Lanka) | 8 | 11 | 1 | 278 | 88 | 27.80 | 0 | 1 | 2 | |
| 2015-16 | (Sri Lanka) | 9 | 16 | 2 | 612 | 112 | 43.71 | 1 | 4 | 13 | |
| 2016-17 | (Sri Lanka) | 8 | 12 | 2 | 292 | 61 | 29.20 | 0 | 2 | 4 | |
| 2017-18 | (Sri Lanka) | 10 | 17 | 1 | 394 | 77 | 24.62 | 0 | 1 | 6 | |
| 2018-19 | (Sri Lanka) | 6 | 8 | 2 | 419 | 98 | 69.83 | 0 | 4 | 12 | |
| 2019-20 | (Sri Lanka) | 7 | 12 | 2 | 563 | 176* | 56.30 | 1 | 4 | 8 | |
| 2022-23 | (Sri Lanka) | 8 | 7 | 1 | 176 | 64 | 29.33 | 0 | 1 | 7 | |
| 2023-24 | (Sri Lanka) | 3 | 4 | 1 | 112 | 64* | 37.33 | 0 | 1 | 3 | |
