First-Class Batting and Fielding Against Each Opponent by Mike Harris
| Opponent | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| Auckland | 1 | 2 | 0 | 55 | 53 | 27.50 | 0 | 1 | 1 | |
| Australians | 2 | 3 | 0 | 66 | 54 | 22.00 | 0 | 1 | 1 | |
| Barbados | 1 | 2 | 0 | 78 | 64 | 39.00 | 0 | 1 | 0 | |
| Cambridge University | 14 | 15 | 3 | 459 | 81 | 38.25 | 0 | 2 | 4 | 1 |
| Canterbury | 2 | 3 | 0 | 105 | 48 | 35.00 | 0 | 0 | 5 | |
| Central Districts | 1 | 2 | 0 | 20 | 20 | 10.00 | 0 | 0 | 4 | |
| Derbyshire | 25 | 42 | 4 | 1466 | 140* | 38.57 | 5 | 6 | 19 | 1 |
| Essex | 17 | 31 | 4 | 802 | 131* | 29.70 | 2 | 1 | 15 | 2 |
| Glamorgan | 16 | 28 | 3 | 795 | 201* | 31.80 | 2 | 1 | 16 | 1 |
| Gloucestershire | 14 | 22 | 1 | 479 | 91 | 22.80 | 0 | 2 | 10 | |
| Hampshire | 14 | 21 | 1 | 637 | 172 | 31.85 | 1 | 4 | 10 | |
| Indians | 3 | 5 | 1 | 256 | 130 | 64.00 | 1 | 0 | 2 | 1 |
| Kent | 18 | 29 | 3 | 1334 | 177 | 51.30 | 4 | 6 | 22 | 1 |
| Lancashire | 24 | 42 | 8 | 1002 | 133 | 29.47 | 1 | 5 | 20 | 1 |
| Leicestershire | 25 | 45 | 2 | 1548 | 149 | 36.00 | 6 | 5 | 21 | |
| Middlesex | 17 | 31 | 4 | 955 | 118 | 35.37 | 1 | 8 | 11 | |
| Natal | 1 | 2 | 0 | 17 | 14 | 8.50 | 0 | 0 | 1 | |
| Northamptonshire | 17 | 32 | 3 | 1146 | 133* | 39.51 | 4 | 5 | 15 | 1 |
| Northern Districts | 2 | 3 | 1 | 113 | 44 | 56.50 | 0 | 0 | 1 | |
| Nottinghamshire | 5 | 7 | 1 | 351 | 157 | 58.50 | 2 | 0 | 0 | |
| Otago | 1 | 1 | 0 | 83 | 83 | 83.00 | 0 | 1 | 2 | |
| Oxford University | 8 | 13 | 2 | 558 | 88 | 50.72 | 0 | 5 | 8 | |
| Pakistanis | 4 | 5 | 0 | 300 | 160 | 60.00 | 1 | 1 | 0 | 1 |
| Rhodesia | 1 | 2 | 0 | 9 | 7 | 4.50 | 0 | 0 | 2 | |
| Somerset | 14 | 21 | 2 | 767 | 163 | 40.36 | 1 | 4 | 14 | 1 |
| Surrey | 18 | 32 | 1 | 942 | 107 | 30.38 | 1 | 7 | 9 | |
| Sussex | 16 | 27 | 4 | 1022 | 141 | 44.43 | 2 | 6 | 14 | 2 |
| Warwickshire | 18 | 33 | 3 | 1108 | 150 | 36.93 | 1 | 10 | 21 | |
| West Indians | 5 | 9 | 0 | 167 | 106 | 18.55 | 1 | 0 | 4 | |
| Worcestershire | 19 | 36 | 6 | 1378 | 174* | 45.93 | 2 | 10 | 16 | 1 |
| Yorkshire | 21 | 35 | 1 | 1178 | 143 | 34.64 | 3 | 6 | 20 | |