Twenty20 Batting and Fielding Against Each Opponent by Kyle Mills
| Opponent | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| Australia | 2 | 2 | 0 | 4 | 4 | 2.00 | 0 | 0 | 0 | |
| Bangladesh | 2 | 0 | | | | | | | 1 | |
| Canterbury | 8 | 4 | 0 | 36 | 23 | 9.00 | 0 | 0 | 2 | |
| Central Districts | 6 | 3 | 1 | 19 | 8* | 9.50 | 0 | 0 | 1 | |
| England | 6 | 3 | 1 | 53 | 30* | 26.50 | 0 | 0 | 2 | |
| Essex | 2 | 0 | | | | | | | 0 | |
| Hampshire | 3 | 0 | | | | | | | 0 | |
| India | 1 | 0 | | | | | | | 1 | |
| Ireland | 1 | 0 | | | | | | | 0 | |
| Kent | 2 | 0 | | | | | | | 1 | |
| Kolkata Knight Riders | 2 | 1 | 1 | 20 | 20* | | 0 | 0 | 0 | |
| Netherlands | 1 | 0 | | | | | | | 0 | |
| Northern Districts | 7 | 3 | 2 | 8 | 4* | 8.00 | 0 | 0 | 2 | |
| Otago | 8 | 3 | 1 | 32 | 20* | 16.00 | 0 | 0 | 1 | |
| Pakistan | 7 | 5 | 2 | 13 | 7 | 4.33 | 0 | 0 | 1 | |
| Perth Scorchers | 1 | 1 | 1 | 7 | 7* | | 0 | 0 | 0 | |
| Ruhuna Royals | 1 | 1 | 0 | 0 | 0 | 0.00 | 0 | 0 | 0 | |
| Sialkot Stallions | 1 | 0 | | | | | | | 0 | |
| Somerset | 1 | 1 | 0 | 10 | 10 | 10.00 | 0 | 0 | 1 | |
| South Africa | 6 | 1 | 1 | 33 | 33* | | 0 | 0 | 2 | |
| South Island | 1 | 1 | 1 | 3 | 3* | | 0 | 0 | 0 | |
| Sri Lanka | 9 | 5 | 1 | 17 | 7 | 4.25 | 0 | 0 | 0 | |
| Surrey | 2 | 2 | 0 | 19 | 12 | 9.50 | 0 | 0 | 1 | |
| Sussex | 2 | 1 | 1 | 6 | 6* | | 0 | 0 | 1 | |
| Titans | 1 | 1 | 0 | 1 | 1 | 1.00 | 0 | 0 | 0 | |
| Wayamba United | 1 | 1 | 1 | 0 | 0* | | 0 | 0 | 0 | |
| Wellington | 7 | 2 | 0 | 3 | 2 | 1.50 | 0 | 0 | 0 | |
| West Indies | 4 | 3 | 2 | 17 | 10* | 17.00 | 0 | 0 | 1 | |
| Zimbabwe | 3 | 0 | | | | | | | 0 | |