First-Class Batting and Fielding Against Each Opponent by Will Williams
| Opponent | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| Auckland | 7 | 10 | 4 | 90 | 37* | 15.00 | 0 | 0 | 0 | |
| Central Districts | 8 | 10 | 1 | 70 | 28* | 7.77 | 0 | 0 | 3 | |
| Durham | 1 | 2 | 0 | 10 | 9 | 5.00 | 0 | 0 | 0 | |
| Essex | 4 | 7 | 3 | 61 | 32* | 15.25 | 0 | 0 | 1 | |
| Gloucestershire | 1 | 1 | 0 | 12 | 12 | 12.00 | 0 | 0 | 1 | |
| Hampshire | 2 | 2 | 0 | 1 | 1 | 0.50 | 0 | 0 | 2 | |
| Kent | 4 | 6 | 1 | 28 | 11 | 5.60 | 0 | 0 | 0 | |
| Middlesex | 1 | 1 | 1 | 2 | 2* | | 0 | 0 | 1 | |
| Northamptonshire | 3 | 3 | 2 | 39 | 29* | 39.00 | 0 | 0 | 2 | |
| Northern Districts | 6 | 10 | 1 | 121 | 31 | 13.44 | 0 | 0 | 4 | |
| Nottinghamshire | 4 | 4 | 0 | 16 | 8 | 4.00 | 0 | 0 | 2 | |
| Otago | 10 | 13 | 3 | 125 | 21 | 12.50 | 0 | 0 | 5 | |
| Somerset | 3 | 4 | 2 | 29 | 14* | 14.50 | 0 | 0 | 1 | |
| Surrey | 5 | 7 | 2 | 117 | 61 | 23.40 | 0 | 1 | 3 | |
| Warwickshire | 2 | 2 | 1 | 7 | 6* | 7.00 | 0 | 0 | 1 | |
| Wellington | 10 | 14 | 5 | 154 | 38 | 17.11 | 0 | 0 | 4 | |
| Worcestershire | 1 | 1 | 1 | 0 | 0* | | 0 | 0 | 1 | |
| Yorkshire | 1 | 1 | 1 | 0 | 0* | | 0 | 0 | 0 | |