JM
John Marks
Last ranked
#223
Career high
#60
Overall record
30-81
Record by surface
Last 20 matches
| Date | Tournament | Round | Surface | Result | Opponent | Score |
|---|---|---|---|---|---|---|
| 1980-10-20 | Melbourne Indoor | Round of 32 | Carpet | L | Ulrich Marten | 7-5 6-1 |
| 1980-10-06 | Brisbane | Round of 32 | Grass | L | Peter Feigl | 6-1 6-4 |
| 1979-12-31 | Hobart | Quarterfinal | Hard | L | Shlomo Glickstein | 6-4 3-6 6-2 |
| 1979-12-31 | Hobart | Round of 16 | Hard | W | Rohun Beven | 6-1 4-6 6-4 |
| 1979-12-31 | Hobart | Round of 32 | Hard | W | Warren Maher | 6-2 6-4 |
| 1979-12-24 | Australian Open | Round of 64 | Grass | L | Phil Dent | 6-3 6-2 6-2 |
| 1979-12-17 | Sydney Outdoor | Round of 32 | Grass | L | Phil Dent | 6-2 6-3 |
| 1979-12-17 | Sydney Outdoor | Round of 64 | Grass | W | Noel Phillips | 7-6 6-4 |
| 1979-12-10 | Adelaide | Round of 16 | Grass | L | Matt Mitchell | 7-5 6-4 |
| 1979-12-10 | Adelaide | Round of 32 | Grass | W | Dick Stockton | 7-5 6-2 |
| 1979-11-12 | Taipei | Round of 32 | Carpet | L | John Sadri | 6-1 7-6 |
| 1979-11-05 | Hong Kong | Round of 32 | Hard | L | John Sadri | 6-3 2-6 6-2 |
| 1979-10-22 | Tokyo Outdoor | Round of 64 | Clay | L | Cliff Drysdale | 6-3 7-6 |
| 1979-10-15 | Sydney Indoor | Round of 32 | Hard | L | Emilio Montano | 6-4 6-3 |
| 1979-10-09 | Brisbane | Round of 32 | Grass | L | Emilio Montano | 6-4 6-2 |
| 1979-09-17 | Los Angeles | Round of 32 | Carpet | L | Vincent Van Patten | 7-5 6-4 |
| 1979-08-28 | US Open | Round of 128 | Hard | L | Roscoe Tanner | 6-4 6-2 6-0 |
| 1979-08-20 | Boston | Round of 64 | Clay | L | Balazs Taroczy | 6-4 7-5 |
| 1979-08-13 | Montreal / Toronto | Round of 64 | Hard | L | Wojtek Fibak | 6-3 3-6 6-3 |
| 1979-08-06 | Indianapolis | Round of 64 | Clay | L | Warren Maher | 6-2 6-2 |
Most-played opponents
| Opponent | Wins | Losses | Total | H2H |
|---|---|---|---|---|
| Phil Dent | 1 | 6 | 7 | view H2H |
| Nick Saviano | 0 | 3 | 3 | view H2H |
| Ross Case | 1 | 2 | 3 | view H2H |
| Dick Stockton | 2 | 1 | 3 | view H2H |
| John Sadri | 1 | 2 | 3 | view H2H |
| Dick Crealy | 1 | 2 | 3 | view H2H |
| Tim Gullikson | 0 | 3 | 3 | view H2H |
| Balazs Taroczy | 1 | 2 | 3 | view H2H |
| Warren Maher | 1 | 1 | 2 | view H2H |
| John Lloyd | 1 | 1 | 2 | view H2H |