Oporto 1978 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Jose Luis Clerc | m. | Patrice Dominguez | 6-4 6-2 6-1 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Patrice Dominguez | m. | Angel Gimenez | 6-2 4-6 6-3 |
| Jose Luis Clerc | m. | John Alexander | 3-6 6-3 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Angel Gimenez | m. | Jiri Granat | 4-6 7-5 6-3 |
| Patrice Dominguez | m. | Rick Fagel | 6-3 6-2 |
| John Alexander | m. | Lito Alvarez | 4-6 6-2 6-2 |
| Jose Luis Clerc | m. | Ricardo Ycaza | 6-4 6-3 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Angel Gimenez | m. | Gianni Ocleppo | 7-6 6-3 |
| Jiri Granat | m. | Christophe Roger-Vasselin | 3-6 6-1 7-5 |
| Rick Fagel | m. | Adriano Panatta | 7-5 4-6 6-2 |
| Patrice Dominguez | m. | Ricardo Cano | 6-3 6-1 |
| Lito Alvarez | m. | Jean Francois Caujolle | 7-6 6-1 |
| John Alexander | m. | Steve Krulevitz | 6-2 6-3 |
| Jose Luis Clerc | m. | Ivan Molina | 6-1 7-5 |
| Ricardo Ycaza | m. | Belus Prajoux | 4-6 6-2 6-4 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Gianni Ocleppo | m. | Corrado Barazzutti | 6-4 6-4 |
| Angel Gimenez | m. | Patrizio Parrini | 6-7 6-1 6-2 |
| Jiri Granat | m. | Onny Parun | 7-5 6-2 |
| Christophe Roger-Vasselin | m. | Van Winitsky | 6-3 6-1 |
| Adriano Panatta | m. | Terry Rocavert | 6-2 6-3 |
| Rick Fagel | m. | Fabrizio Fanucci | 6-0 6-0 |
| Ricardo Cano | m. | Georges Goven | 6-1 6-0 |
| Patrice Dominguez | m. | Christophe Freyss | 6-3 6-0 |
| Jean Francois Caujolle | m. | Louk Sanders | 6-2 6-2 |
| Lito Alvarez | m. | John Feaver | 3-6 6-3 6-4 |
| Steve Krulevitz | m. | John Yuill | 6-4 1-6 7-5 |
| John Alexander | m. | John James | 6-2 6-3 |
| Ivan Molina | m. | Hans Kary | 7-5 6-3 |
| Jose Luis Clerc | m. | David Carter | 6-0 6-3 |
| Ricardo Ycaza | m. | Barry Phillips Moore | 6-0 6-0 |
| Belus Prajoux | m. | Harold Solomon | 6-4 6-2 |