Twenty20 Blast Batting and Fielding Against Each Opponent by James Foster
| Opponent | Matches | Inns | Not Out | Runs | HS | Ave | 100 | 50 | Ct | St |
| Glamorgan | 10 | 5 | 3 | 115 | 54* | 57.50 | 0 | 1 | 4 | 2 |
| Gloucestershire | 11 | 7 | 1 | 79 | 27 | 13.16 | 0 | 0 | 4 | 2 |
| Hampshire | 25 | 17 | 5 | 253 | 33* | 21.08 | 0 | 0 | 5 | 8 |
| Kent | 27 | 23 | 5 | 303 | 51 | 16.83 | 0 | 1 | 17 | 10 |
| Lancashire | 1 | 1 | 1 | 16 | 16* | | 0 | 0 | 0 | |
| Leicestershire | 2 | 1 | 0 | 14 | 14 | 14.00 | 0 | 0 | 1 | |
| Middlesex | 24 | 21 | 5 | 376 | 62* | 23.50 | 0 | 3 | 12 | 5 |
| Northamptonshire | 2 | 2 | 1 | 58 | 32* | 58.00 | 0 | 0 | 3 | |
| Nottinghamshire | 2 | 2 | 0 | 12 | 8 | 6.00 | 0 | 0 | 1 | |
| Somerset | 9 | 8 | 2 | 61 | 26 | 10.16 | 0 | 0 | 4 | 2 |
| Surrey | 24 | 18 | 5 | 237 | 52 | 18.23 | 0 | 1 | 10 | 7 |
| Sussex | 23 | 19 | 7 | 312 | 65* | 26.00 | 0 | 1 | 11 | 6 |
| Warwickshire | 2 | 2 | 1 | 40 | 25* | 40.00 | 0 | 0 | 0 | |
| Yorkshire | 1 | 1 | 1 | 47 | 47* | | 0 | 0 | 0 | |