First-Class Batting and Fielding in Each Season by Christi Viljoen
| Season | | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| 2009-10 | (South Africa) | 5 | 9 | 0 | 86 | 27 | 9.55 | 0 | 0 | 3 | |
| 2009-10 | (Namibia) | 2 | 4 | 0 | 62 | 47 | 15.50 | 0 | 0 | 1 | |
| 2010-11 | (Namibia) | 4 | 8 | 1 | 91 | 40 | 13.00 | 0 | 0 | 3 | |
| 2010-11 | (South Africa) | 6 | 11 | 1 | 205 | 67 | 20.50 | 0 | 1 | 0 | |
| 2011 | (Ireland) | 1 | 2 | 0 | 87 | 87 | 43.50 | 0 | 1 | 0 | |
| 2011-12 | (Namibia) | 6 | 8 | 1 | 83 | 30 | 11.85 | 0 | 0 | 5 | |
| 2011-12 | (South Africa) | 6 | 9 | 1 | 126 | 49 | 15.75 | 0 | 0 | 4 | |
| 2011-12 | (United Arab Emirates) | 1 | 2 | 0 | 101 | 98 | 50.50 | 0 | 1 | 0 | |
| 2012-13 | (South Africa) | 6 | 11 | 0 | 207 | 67 | 18.81 | 0 | 1 | 1 | |
| 2012-13 | (Namibia) | 6 | 10 | 0 | 219 | 55 | 21.90 | 0 | 1 | 1 | |
| 2013 | (Namibia) | 2 | 4 | 0 | 56 | 17 | 14.00 | 0 | 0 | 5 | |
| 2013-14 | (United Arab Emirates) | 1 | 2 | 0 | 22 | 15 | 11.00 | 0 | 0 | 0 | |
| 2013-14 | (Namibia) | 4 | 7 | 2 | 384 | 182* | 76.80 | 1 | 1 | 1 | |
| 2013-14 | (South Africa) | 6 | 11 | 0 | 289 | 75 | 26.27 | 0 | 3 | 1 | |
| 2014-15 | (Namibia) | 2 | 4 | 0 | 117 | 48 | 29.25 | 0 | 0 | 1 | |
| 2014-15 | (South Africa) | 1 | 2 | 0 | 18 | 18 | 9.00 | 0 | 0 | 1 | |
| 2015-16 | (New Zealand) | 4 | 6 | 1 | 127 | 55* | 25.40 | 0 | 1 | 2 | |
| 2016-17 | (New Zealand) | 10 | 14 | 2 | 189 | 36 | 15.75 | 0 | 0 | 2 | |
| 2017 | (Scotland) | 1 | 1 | 0 | 77 | 77 | 77.00 | 0 | 1 | 0 | |
| 2018-19 | (New Zealand) | 6 | 11 | 1 | 242 | 56 | 24.20 | 0 | 1 | 5 | |