By surface
| Surface | Clark Graebner | Ramanathan Krishnan |
|---|---|---|
| Hard | 0 | 1 |
All meetings (1)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-11-09 | ATP | Davis Cup WG F: USA vs IND | Round Robin | Hard | Ramanathan Krishnan | 5-7 | 6-4 | 2-6 | 1-6 |
| Surface | Clark Graebner | Ramanathan Krishnan |
|---|---|---|
| Hard | 0 | 1 |
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-11-09 | ATP | Davis Cup WG F: USA vs IND | Round Robin | Hard | Ramanathan Krishnan | 5-7 | 6-4 | 2-6 | 1-6 |