League team vs team - 1981 National League
Regular season
| National League |
| KCB | FRA | LAM | TOL | SDV | AST | HAW | FAI | ANO | WOR | BAL | ROS |
| KCB | x | 4-8 | 8-4 | 10-2 | 4-8 | 8-4 | 5-4 | 4-5 | 4-5 | 4-5 | 1-8 | 1-8 |
| FRA | 8-4 | x | 9-3 | 9-3 | 4-8 | 8-4 | 3-6 | 4-5 | 7-2 | 4-5 | 3-6 | 2-7 |
| LAM | 4-8 | 3-9 | x | 9-3 | 2-10 | 9-3 | 3-6 | 2-7 | 3-6 | 6-3 | 2-7 | 3-6 |
| TOL | 2-10 | 3-9 | 3-9 | x | 4-8 | 5-7 | 8-1 | 5-4 | 4-5 | 7-2 | 2-7 | 1-8 |
| SDV | 8-4 | 8-4 | 10-2 | 8-4 | x | 12-0 | 7-2 | 4-5 | 5-4 | 3-6 | 6-3 | 8-1 |
| AST | 4-8 | 4-8 | 3-9 | 7-5 | 0-12 | x | 2-7 | 2-7 | 2-7 | 3-6 | 4-5 | 1-8 |
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| HAW | 4-5 | 6-3 | 6-3 | 1-8 | 2-7 | 7-2 | x | 3-9 | 6-6 | 8-4 | 1-11 | 4-8 |
| FAI | 5-4 | 5-4 | 7-2 | 4-5 | 5-4 | 7-2 | 9-3 | x | 7-5 | 7-5 | 6-6 | 2-10 |
| ANO | 5-4 | 2-7 | 6-3 | 5-4 | 4-5 | 7-2 | 6-6 | 5-7 | x | 8-4 | 4-8 | 5-7 |
| WOR | 5-4 | 5-4 | 3-6 | 2-7 | 6-3 | 6-3 | 4-8 | 5-7 | 4-8 | x | 4-8 | 5-7 |
| BAL | 8-1 | 6-3 | 7-2 | 7-2 | 3-6 | 5-4 | 11-1 | 6-6 | 8-4 | 8-4 | x | 12-0 |
| ROS | 8-1 | 7-2 | 6-3 | 8-1 | 1-8 | 8-1 | 8-4 | 10-2 | 7-5 | 7-5 | 0-12 | x |
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