| MEN'S SINGLES NATIONAL CHAMPIONSHIPS | |||
| YEAR | WINNER | RUNNER-UP | SCORE |
| Discontinued 2000 | |||
| 1999 | Reed Newhall | Paul Fitzsimmons | 6-4 |
| 1998 | David Feher | Reed Newhall | 0-6, 7-6(4), 7-5 |
| 1997 | Rusty Wright | Anthony Cosimano | 7-6, 6-3 |
| 1996 | Scott Staniar | Scott Mackesy | 4-6, 6-3, 6-4 |
| 1995 | Scott Staniar | Scott Mackesy | 6-3, 7-5 |
| 1994 | Not Contested | ||
| 1993 | Scott Staniar | Mike Gillespie | |
| 1992 | Andrew Kinney | Mike Gillespie | |
| 1991 | Scott Staniar | Mike Gillespie | |
| 1990 | Bob Kleinert | Mike Gillespie | |
| 1989 | Jack Kleinert | David Ohlmuller | 4-6, 7-5, 7-6, (8-6) |
| 1988 | Scott Staniar | Doug Russell | |
| 1987 | Doug Russell | Greg Tully | |
| 1986 | Bob Kleinert | Doug Russell | 7-6, 2-6, 6-3 |
| 1985 | Bob Kleinert | Greg Tully | |
| 1984 | Bob Kleinert | Doug Russell | 6-4, 6-7, 6-1 |
| 1983 | Doug Russell | Peter Kinney | 6-3, 6-7 (5-7), 7-5 |
| 1982 | Doug Russell | Gregg Brents | 7-5, 6-4 |
| 1981 | Doug Russell | Robert Kleinert | 1-6, 6-4, 6-3 |
| 1980 | Doug Russell | Robert Kleinert | 6-1, 6-4 |
| Discontinued 1938 • Reinstated 1980 | |||
| 1937 | Charles M.O'Hearn | Richard G.Newell | 6-0, 6-2, 6-3 |
| 1936 | C.E.Grafmueller | Richard G.Newell | 6-3, 6-2, 6-0 |
| 1935 | C.E.Grafmueller | Richard G.Newell | 6-1, 6-2, 6-2 |
| MEN'S SINGLES NATIONAL CHAMPIONSHIPS | |||
| YEAR | WINNER | RUNNER-UP | SCORE |
| Discontinued 2000 | |||
| 1981 | Robin Rich Fulton | Lisa Threshie | 6-2, 6-3 |
| 1937 | Kitty Fuller | Eugenie Thebaud | 6-3, 6-4 |
| 1936 | Madeline Childress Beck | Jean Eaton | 9-7, 7-5 |
| 1996 | Jean Eaton | Louise Raymond | 6-4, 6-3 |