# 1986 Copa Banco Galicia – Singles

Martín Jaite was the defending champion but lost in the second round to Franco Davín.
Jay Berger won in the final 6–3, 6–3 against Franco Davín.

## Seeds

* Martín Jaite (second round)
* Horacio de la Peña (second round)
* Horst Skoff (second round)
* Francisco Maciel (quarterfinals)
* Eduardo Bengoechea (first round)
* Christian Miniussi (first round)
* Carlos Kirmayr (first round)
* Mark Dickson (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| WC | Franco Davín | 6 | 6 | | | | | |
| Q | Roberto Argüello | 2 | 0 | | | | | |
| Q | Roberto Argüello | 2 | 0 | | WC | Franco Davín | 3 | 3 |
| | | | | | | Jay Berger | 6 | 6 |
| | Jay Berger | 6 | 4 | 6 | | Jay Berger | 6 | 6 |
| | Guillermo Pérez Roldán | 2 | 6 | 4 | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Jaite | 6 | 6 | | | | | | | | | | | | | | |
| LL | R Azar | 3 | 2 | | 1 | M Jaite | 4 | 5 | | | | | | | | | |
| | L Duncan | 6 | 2 | 4 | WC | F Davín | 6 | 7 | | | | | | | | | |
| WC | F Davín | 2 | 6 | 6 | | | | | | WC | F Davín | 6 | 7 | | | | |
| Q | G Vacarezza | 4 | 7 | 6 | | | | | | | A Ganzábal | 3 | 5 | | | | |
| | G Guerrero | 6 | 5 | 0 | Q | G Vacarezza | 2 | 4 | | | | | | | | | |
| | A Ganzábal | 1 | 6 | 6 | | A Ganzábal | 6 | 6 | | | | | | | | | |
| 8 | M Dickson | 6 | 1 | 4 | | | | | | | | | | WC | F Davín | 6 | 6 |
| 3 | H Skoff | 6 | 7 | | | | | | | | | | | Q | R Argüello | 2 | 0 |
| WC | G Rivas | 1 | 6 | | 3 | H Skoff | 6 | 7 | 4 | | | | | | | | |
| Q | R Argüello | 6 | 6 | | Q | R Argüello | 7 | 5 | 6 | | | | | | | | |
| | R Saad | 0 | 1 | | | | | | | Q | R Argüello | 6 | 6 | | | | |
| | J Soares | 3 | 0 | | | | | | | | J López-Maeso | 0 | 4 | | | | |
| | J López-Maeso | 6 | 6 | | | J López-Maeso | 6 | 6 | | | | | | | | | |
| | C Kist | 6 | 6 | | | C Kist | 3 | 2 | | | | | | | | | |
| 6 | C Miniussi | 2 | 3 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | E Bengoechea | 5 | 5 | | | | | | | | | | | | | | | |
| | J Berger | 7 | 7 | | | J Berger | 2 | 6 | 6 | | | | | | | | | |
| WC | C Castellan | 2 | 6 | 3 | | C Pistolesi | 6 | 2 | 4 | | | | | | | | | |
| | C Pistolesi | 6 | 2 | 6 | | | | | | | J Berger | 6 | 3 | 7 | | | | |
| | I Kley | 5 | 4 | | | | | | | 4 | F Maciel | 4 | 6 | 5 | | | | |
| | J Frana | 7 | 6 | | | J Frana | 4 | 6 | 1 | | | | | | | | | |
| | M Ingaramo | 3 | 6 | 3 | 4 | F Maciel | 6 | 3 | 6 | | | | | | | | | |
| 4 | F Maciel | 6 | 3 | 6 | | | | | | | | | | | J Berger | 6 | 4 | 6 |
| 7 | C Kirmayr | 4 | 3 | | | | | | | | | | | | G Pérez Roldán | 2 | 6 | 4 |
| | G Pérez Roldán | 6 | 6 | | | G Pérez Roldán | 3 | 6 | 6 | | | | | | | | | |
| Q | H Chapacu | 6 | 6 | | Q | H Chapacu | 6 | 0 | 0 | | | | | | | | | |
| | R Acuña | 4 | 2 | | | | | | | | G Pérez Roldán | 6 | 6 | | | | | |
| | C Steeb | 6 | 6 | | | | | | | | C Steeb | 3 | 1 | | | | | |
| | M Vajda | 3 | 2 | | | C Steeb | 6 | 6 | | | | | | | | | | |
| Q | G Tiberti | 6 | 5 | | 2 | H de la Peña | 3 | 4 | | | | | | | | | | |
| 2 | H de la Peña | 7 | 7 | | | | | | | | | | | | | | | |