| Round of 16 |  | | 1 | Dave Warren (1) | Woodland Park, CO |  |  | | 2 | Bye | |  | | 3 | Dave Gamba | Denver, CO |  |  | | 4 | Bob Moutrie | Colorado Springs, CO |  | | 5 | Kenneth Elliott | |  |  | | 6 | Bye | |  | | 7 | Ronald Mitchell | Colorado Springs, CO |  |  | | 8 | Bye | |  | | 9 | Buzz Sellers | |  |  | | 10 | John Patanelli | |  | | 11 | Bye | |  |  | | 12 | Richard Del Margo | Colorado Spgs, CO |  | | 13 | Bye | |  |  | | 14 | Steve Behm | |  | | 15 | Bye | |  |  | | 16 | Norman Lowery (2) | Boulder, CO |  | | | Quarterfinals |  | | D. Warren (1) |  |  | | | | D. Gamba |  | | 6463 | | K. Elliott |  |  | | | | R. Mitchell |  | | | | B. Sellers |  |  | | 6476(5) | | R. Del Margo |  | | | | S. Behm |  |  | | | | N. Lowery (2) |  | | | | | Semifinals |  | | D. Gamba |  |  | | 6-3,6-3 | | R. Mitchell |  | | 6-0,6-0 | | R. Del Margo |  |  | | 6-1,6-2 | | S. Behm |  | | 6-4,4-6.7-6(8) | | | Finals |  | | D. Gamba |  |  | | 6-3;6-4 | | D. Gamba |  | | 6-2;7-6(5) | | S. Behm |  | | 6-1;6-2 | |