# 1977 Romika Cup – Singles

Manuel Orantes was the defending champion, but did not participate this year.
Željko Franulović won the title, defeating Victor Pecci Sr. 6–1, 6–1, 6–7, 7–5 in the final.

## Seeds

* Jean-Louis Haillet (first round)
* Corrado Barazzutti (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Final

| Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| José Higueras | 4 | 4 | | | | | |
| Željko Franulović | 6 | 6 | | | | | |
| Željko Franulović | 6 | 6 | Željko Franulović | 6 | 6 | 6 | 7 |
| | | | Victor Pecci Sr. | 1 | 1 | 7 | 5 |
| Dick Crealy | 2 | 0 | Victor Pecci Sr. | 1 | 1 | 7 | 5 |
| Victor Pecci Sr. | 6 | 6 | | | | | |

### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 1 | J-L Haillet | 6 | 4 | | | | | | | | | | | |
| | C Dowdeswell | 7 | 6 | | C Dowdeswell | 0 | 5 | | | | | | | |
| | J Higueras | 7 | 4 | 6 | J Higueras | 6 | 7 | | | | | | | |
| | J-F Caujolle | 5 | 6 | 1 | | | | | J Higueras | 6 | 6 | | | |
| | R Gehring | 3 | 3 | | | | | | P Proisy | 4 | 3 | | | |
| | P Proisy | 6 | 6 | | P Proisy | 6 | 6 | | | | | | | |
| | S Menon | 6 | 1 | 6 | S Menon | 2 | 4 | | | | | | | |
| | U Pinner | 3 | 6 | 1 | | | | | | | | J Higueras | 4 | 4 |
| | B Taróczy | 6 | 6 | | | | | | | | | Ž Franulović | 6 | 6 |
| | G Gnettner | 2 | 4 | | B Taróczy | 0 | 6 | 1 | | | | | | |
| | H Gildemeister | 7 | 1 | 7 | H Gildemeister | 6 | 1 | 6 | | | | | | |
| | B Prajoux | 6 | 6 | 5 | | | | | H Gildemeister | 4 | 0 | | | |
| | Ž Franulović | 7 | 6 | | | | | | Ž Franulović | 6 | 6 | | | |
| | R Lewis | 5 | 0 | | Ž Franulović | 6 | 3 | 6 | | | | | | |
| | F Gebert | 3 | 6 | 6 | F Gebert | 3 | 6 | 3 | | | | | | |
| | F Jauffret | 6 | 2 | 3 | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| | D Crealy | 4 | 6 | 7 | | | | | | | | | |
| | J Fassbender | 6 | 3 | 5 | D Crealy | 6 | 6 | | | | | | |
| | C Letcher | 4 | 1 | | K Meiler | 1 | 3 | | | | | | |
| | K Meiler | 6 | 6 | | | | | D Crealy | 6 | 6 | | | |
| | R Taylor | 6 | 4 | | | | | I Molina | 3 | 1 | | | |
| | F Pala | 7 | 6 | | F Pala | 3 | 3 | | | | | | |
| | I Molina | 6 | 7 | | I Molina | 6 | 6 | | | | | | |
| | P Bertolucci | 3 | 5 | | | | | | | | D Crealy | 2 | 0 |
| | V Pecci Sr. | 6 | 6 | | | | | | | | V Pecci Sr. | 6 | 6 |
| | W Zirngibl | 4 | 3 | | V Pecci Sr. | 6 | 6 | | | | | | |
| | P Elter | 6 | 6 | | P Elter | 3 | 3 | | | | | | |
| | J Hřebec | 0 | 0 | | | | | V Pecci Sr. | 6 | 7 | | | |
| | V Zedník | 2 | 6 | 4 | | | | N Pilić | 3 | 5 | | | |
| | H Kary | 6 | 4 | 6 | H Kary | 5 | 2 | | | | | | |
| | N Pilić | 6 | 6 | | N Pilić | 7 | 6 | | | | | | |
| 2 | C Barazzutti | 4 | 0 | | | | | | | | | | |