# 1993 Topper South American Open – Singles

Carlos Costa defeated Alberto Berasategui 3–6, 6–1, 6–4 to win the 1993 ATP Buenos Aires singles competition. Juan Gisbert-Schultze was the champion but did not defend his title.

## Seeds

* Karel Nováček (first round)
* Carlos Costa (champion)
* Jaime Yzaga (first round)
* Richard Fromberg (first round)
* Emilio Sánchez (quarterfinals)
* Alberto Berasategui (final)
* Marcos Ondruska (first round)
* Younes El Aynaoui (quarterfinals)

## 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 | Final |
| | Jordi Arrese | 4 | 6 | 3 | | | | | |
| 6 | Alberto Berasategui | 6 | 3 | 6 | | | | | |
| 6 | Alberto Berasategui | 6 | 3 | 6 | 6 | Alberto Berasategui | 6 | 1 | 4 |
| | | | | | 2 | Carlos Costa | 3 | 6 | 6 |
| | Javier Frana | 4 | 3 | | 2 | Carlos Costa | 3 | 6 | 6 |
| 2 | Carlos Costa | 6 | 6 | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | K Nováček | 4 | 6$^5$ | | | | | | | | | | | | | | | | |
| | F Clavet | 6 | 7$^7$ | | | F Clavet | 6 | 4 | 0 | | | | | | | | | | |
| | M Filippini | 3 | 7 | 4 | | J Arrese | 3 | 6 | 6 | | | | | | | | | | |
| | J Arrese | 6 | 5 | 6 | | | | | | | J Arrese | 7$^9$ | 5 | 7 | | | | | |
| WC | M Wilander | 2 | 6$^4$ | | | | | | | 8 | Y El Aynaoui | 6$^7$ | 7 | 5 | | | | | |
| | À Corretja | 6 | 7$^7$ | | | À Corretja | 4 | 2 | | | | | | | | | | | |
| | T Carbonell | 2 | 4 | | 8 | Y El Aynaoui | 6 | 6 | | | | | | | | | | | |
| 8 | Y El Aynaoui | 6 | 6 | | | | | | | | | | | | | J Arrese | 4 | 6 | 3 |
| 4 | R Fromberg | 4 | 6$^{11}$ | | | | | | | | | | | | 6 | A Berasategui | 6 | 3 | 6 |
| | J Burillo | 6 | 7$^{13}$ | | | J Burillo | 0 | 1 | | | | | | | | | | | |
| | G Markus | 2 | 6$^6$ | | | G Schaller | 6 | 6 | | | | | | | | | | | |
| | G Schaller | 6 | 7$^8$ | | | | | | | | G Schaller | 3 | r | | | | | | |
| | H de la Peña | 6$^{15}$ | 4 | | | | | | | 6 | A Berasategui | 6 | | | | | | | |
| Q | D Pérez | 7$^{17}$ | 6 | | Q | D Pérez | 6 | 0 | 1 | | | | | | | | | | |
| | F Davín | 4 | 2 | | 6 | A Berasategui | 3 | 6 | 6 | | | | | | | | | | |
| 6 | A Berasategui | 6 | 6 | | | | | | | | | | | | | | | | |

### 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 Sánchez | 6 | 6 | | | | | | | | | | | | | | | |
| | F Meligeni | 4 | 3 | | 5 | E Sánchez | 5 | 6 | 6 | | | | | | | | | |
| | F Santoro | 3 | 6 | 6 | | F Santoro | 7 | 3 | 2 | | | | | | | | | |
| | A Mancini | 6 | 3 | 2 | | | | | | 5 | E Sánchez | 7$^{12}$ | 6$^2$ | 0 | | | | |
| | S Doseděl | 2 | 3 | | | | | | | | J Frana | 6$^{10}$ | 7$^7$ | 6 | | | | |
| Q | D Rikl | 6 | 6 | | Q | D Rikl | 3 | 7$^7$ | 5 | | | | | | | | | |
| | J Frana | 6 | 7$^8$ | | | J Frana | 6 | 6$^4$ | 7 | | | | | | | | | |
| 3 | J Yzaga | 4 | 6$^6$ | | | | | | | | | | | | | J Frana | 4 | 3 |
| 7 | M Ondruska | 2 | 2 | | | | | | | | | | | | 2 | C Costa | 6 | 6 |
| WC | D Orsanic | 6 | 6 | | WC | D Orsanic | 6 | 2 | 6 | | | | | | | | | |
| Q | F Montana | 7$^7$ | 6$^6$ | 2 | | J Oncins | 2 | 6 | 3 | | | | | | | | | |
| | J Oncins | 6$^4$ | 7$^8$ | 6 | | | | | | WC | D Orsanic | 2 | 0$^r$ | | | | | |
| Q | F Roig | 6 | 2 | 7 | | | | | | 2 | C Costa | 6 | 1 | | | | | |
| WC | M Stringari | 4 | 6 | 5 | Q | F Roig | 2 | 2 | | | | | | | | | | |
| | R Furlan | 1 | 6 | 2 | 2 | C Costa | 6 | 6 | | | | | | | | | | |
| 2 | C Costa | 6 | 4 | 6 | | | | | | | | | | | | | | |