Grant Trophy: February 19-20, 1966
Buffalo Tennis and Squash Club, Buffalo, NY
| Canada 3 | USA 4 | Winner | Scores |
| Barney Lawrence,Kitchener,ON | William T.Ketcham Jr,New York,NY | Can | 15-12,15-11,15-6 |
| Donald Leggat,Hamilton,ON | Howard Davis,New York,NY | ||
| Lorne Main,Toronto,ON | William Dann,Buffalo,NY | Can | 15-6,15-8,15-10 |
| John Foy,Toronto,ON | Nelson Graves,Buffalo,NY | ||
| Douglas Brock,Toronto,ON | Victor Niederhoffer,Chicago,IL | USA | 15-11,15-7,10-15,15-9 |
| John Bassett Jr,Toronto,ON | Charles Murphy,Chicago,IL | ||
| Lorne Webster,Montreal,QC | Seymour Knox III,Buffalo,NY | USA | 15-13,15-1,15-5 |
| Ted Tilden,Montreal,QC | Ian McAvity,New York,NY | ||
| Andrew Mulzer,Hamilton,ON | Austin M.Fox,Buffalo,NY | Can | 15-11,8-15,15-12,18-14 |
| Hugh Murray,Hamilton,ON | Philip Harty,Buffalo,NY | ||
| William Hatch,Toronto,ON | A.Warren Smith Jr,Buffalo,NY | USA | 15-11,9-15,15-12,15-9 |
| Frank Baillie,Montreal,QC | Welling W.Adama,Buffalo,NY | ||
| Ralph(Bud) McKay,Hamilton,ON | Joseph T.Hahn,Montclair,NJ | USA | 15-10,15-12,15-8 |
| Alan Lindsay,Montreal,QC | Donald Williams,Philadelphia,PA | ||
| Capt.Donald Leggat,Hamilton,ON | Capt.William Treddy Ketcham Jr,New York,NY |