By surface
| Surface | Ion Tiriac | Hans Joachim Ploetz |
|---|---|---|
| Clay | 2 | 0 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 1970-08-09 | ATP | Kitzbuehel | Round of 16 | Clay | Ion Tiriac | 6-4 | 6-1 | |||
| 1969-08-11 | ATP | Hamburg | Round of 32 | Clay | Ion Tiriac | 6-4 | 11-9 | 6-3 | ||
| 1968-03-18 | ATP | Cannes | Quarterfinal | — | Ion Tiriac | 6-3 | 9-7 |