Mamaia 1968 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Ilie Nastase | d. | John Alexander | 6-4 11-9 6-2 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| John Alexander | d. | Viorel Marcu | 6-4 6-2 6-2 |
| Ilie Nastase | d. | Phil Dent | 6-1 6-8 6-1 6-3 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| John Alexander | d. | Sever Dron | 4-6 6-4 6-3 |
| Viorel Marcu | d. | Constantin Popovici | 0-6 6-4 6-4 |
| Phil Dent | d. | Sergio Palmieri | 6-4 6-4 |
| Ilie Nastase | d. | Toma Ovici | 6-2 6-1 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| John Alexander | d. | Gunther Bosch | 6-3 6-0 |
| Sever Dron | d. | Ljuben Genov | 6-2 6-1 |
| Viorel Marcu | d. | Ulrich Trettin | 6-1 6-0 |
| Phil Dent | d. | Josef Kerekes | 6-0 6-0 |
| Sergio Palmieri | d. | Kiril Yashmakov | 5-7 6-2 7-5 |
| Toma Ovici | d. | Sever Muresan | 2-6 6-2 7-5 |
| Ilie Nastase | d. | Stojan Velev | 6-2 6-2 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Gunther Bosch | d. | Ray Keldie | 6-0 6-4 |
| Viorel Marcu | d. | Doug Smith | 4-6 6-4 6-1 |
| Constantin Popovici | d. | Norman Perry | 6-3 6-4 |
| Sergio Palmieri | d. | Codin Dumitrescu | 6-1 6-4 |
| Toma Ovici | d. | Bob Giltinan | 7-5 6-4 |
| Sever Muresan | d. | Constantin Nastase | 6-3 3-6 6-0 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0