| 1975-02-10 | Toronto WCT | Carpet | R32 | 99 |  Mike Estep | 246 |  Don McCormick | 6-1 4-6 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1974-10-04 | Davis Cup AME PR: CAN vs MEX | Carpet | RR | 21 |  Raul Ramirez | 231 | Don McCormick | 6-0 6-2 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1974-10-04 | Davis Cup AME PR: CAN vs MEX | Carpet | RR | 231 | Don McCormick | 134 | Joaquin Loyo-Mayo | 4-6 6-4 10-8 6-2 | H2H | 5 | - | - | - | - | - | - | - |
| 1974-08-12 | Toronto-2 | Clay | R32 | 13 |  Guillermo Vilas (6) | - | Don McCormick | 6-3 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 1974-08-12 | Toronto-2 | Clay | R64 | - | Don McCormick | 271 | Kenneth McMillan | 6-4 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1973-11-23 | Davis Cup AME PR: MEX vs CAN | Clay | RR | 145 | Joaquin Loyo-Mayo | - | Don McCormick | 6-1 6-2 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1973-11-23 | Davis Cup AME PR: MEX vs CAN | Clay | RR | 145 | Joaquin Loyo-Mayo | - | Don McCormick | 6-1 6-2 6-1 | H2H | 5 | - | - | - | - | - | - | - |
| 1973-10-19 | Davis Cup AME PR: CAR vs CAN | Hard | RR | 236 | Don McCormick | - |  Leo Rolle | 6-3 6-3 6-4 | H2H | 5 | - | - | - | - | - | - | - |
| 1973-10-19 | Davis Cup AME PR: CAR vs CAN | Hard | RR | 267 |  D. Richard Russell | 236 | Don McCormick | 8-6 11-9 4-6 6-0 | H2H | 5 | - | - | - | - | - | - | - |
| 1973-08-20 | Toronto-2 | Clay | R64 | - |  Wanaro N'Godrella | - | Don McCormick | 6-2 6-1 | H2H | 3 | - | - | - | - | - | - | - |
