By surface
| Surface | Ramanathan Krishnan | Ingo Buding |
|---|---|---|
| Clay | 0 | 1 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1968-10-04 | ATP | Davis Cup EUR SF: FRG vs IND | Round Robin | — | Ramanathan Krishnan | 6-2 | 7-5 | 6-2 | ||
| 1968-06-07 | ATP | Barcelona | Quarterfinal | Clay | Ingo Buding | 8-6 | 1-6 | 1-6 | 5-7 |