St. Petersburg 1968 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Mike Belkin | d. | Jaime Fillol | 2-6 6-0 7-5 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Jaime Fillol | d. | Boro Jovanovic | 6-2 6-0 |
| Mike Belkin | d. | Bill Bowrey | 6-3 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Boro Jovanovic | d. | Cliff Richey | 6-3 6-1 |
| Jaime Fillol | d. | Alan Fox | 6-4 6-3 |
| Bill Bowrey | d. | Dave Shibley | 6-4 6-3 |
| Mike Belkin | d. | Michael Sangster | 6-0 6-0 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Dave Shibley | d. | Paul Thompson | 2-6 8-6 6-1 |
| Michael Sangster | d. | Miguel Olvera | 6-4 1-6 6-4 |
| Cliff Richey | d. | Alcides Procopio Jr | 6-1 6-1 |
| Boro Jovanovic | d. | Pat Cramer | 7-5 5-7 6-3 |
| Alan Fox | d. | Andres Hammersley | 6-4 6-3 |
| Jaime Fillol | d. | Don Bitler | 6-3 6-1 |
| Bill Bowrey | d. | Bob Sprengelmeyer | 6-2 6-1 |
| Mike Belkin | d. | Sven Ginman | 12-10 6-3 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Paul Thompson | d. | Pancho Guzman | W/O |
| Bob Sprengelmeyer | d. | Richard Russell | 6-0 6-1 |
| Dave Shibley | d. | Woody Blocher | W/O |
| Michael Sangster | d. | Esteban Fillol | 6-1 6-3 |
| Alcides Procopio Jr | d. | Tom James | 9-7 6-3 |
| Miguel Olvera | d. | Carl Johnson | 6-0 6-1 |
| Boro Jovanovic | d. | Mike Reilly | 6-1 6-1 |
| Andres Hammersley | d. | Jim Lewallen | 6-4 6-3 |
| Sven Ginman | d. | Ed Turville | 6-3 6-4 |
| Alan Fox | d. | Roy Sprengelmeyer | 6-1 6-1 |
| Jaime Fillol | d. | Bob Marcher | 8-6 6-1 |
| Pat Cramer | d. | Sam Vuille | 6-1 6-0 |
| Bill Bowrey | d. | Stan Shanbron | 6-3 6-3 |
| Don Bitler | d. | Ben Bishop | 4-6 6-4 6-1 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0