Mamaia 1968 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ilie Nastase | m. | John Alexander | 6-4 11-9 6-2 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| John Alexander | m. | Viorel Marcu | 6-4 6-2 6-2 |
| Ilie Nastase | m. | Phil Dent | 6-1 6-8 6-1 6-3 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| John Alexander | m. | Sever Dron | 4-6 6-4 6-3 |
| Viorel Marcu | m. | Constantin Popovici | 0-6 6-4 6-4 |
| Phil Dent | m. | Sergio Palmieri | 6-4 6-4 |
| Ilie Nastase | m. | Toma Ovici | 6-2 6-1 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| John Alexander | m. | Gunther Bosch | 6-3 6-0 |
| Sever Dron | m. | Ljuben Genov | 6-2 6-1 |
| Viorel Marcu | m. | Ulrich Trettin | 6-1 6-0 |
| Phil Dent | m. | Josef Kerekes | 6-0 6-0 |
| Sergio Palmieri | m. | Kiril Yashmakov | 5-7 6-2 7-5 |
| Toma Ovici | m. | Sever Muresan | 2-6 6-2 7-5 |
| Ilie Nastase | m. | Stojan Velev | 6-2 6-2 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Gunther Bosch | m. | Ray Keldie | 6-0 6-4 |
| Viorel Marcu | m. | Doug Smith | 4-6 6-4 6-1 |
| Constantin Popovici | m. | Norman Perry | 6-3 6-4 |
| Sergio Palmieri | m. | Codin Dumitrescu | 6-1 6-4 |
| Toma Ovici | m. | Bob Giltinan | 7-5 6-4 |
| Sever Muresan | m. | Constantin Nastase | 6-3 3-6 6-0 |