By surface
| Surface | Lawson Duncan | Ken Flach |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987-09-01 | ATP | US Open | Round of 128 | Hard | Ken Flach | 2-6 | 6-7 | 0-6 |
| Surface | Lawson Duncan | Ken Flach |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1987-09-01 | ATP | US Open | Round of 128 | Hard | Ken Flach | 2-6 | 6-7 | 0-6 |