# 1994 Estoril Open – Singles

Andrei Medvedev was the defending champion, and finished runner-up this year.
Carlos Costa won the tournament, beating Medvedev in the final, 4–6, 7–5, 6–4.

## Seeds

* Sergi Bruguera (quarterfinals, retired)
* Andrei Medvedev (final)
* Carlos Costa (champion)
* Marc-Kevin Goellner (second round, retired)
* Javier Sánchez (semifinals)
* Yevgeny Kafelnikov (first round)
* Renzo Furlan (second round)
* Jonas Svensson (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 | Final |
| Q | Albert Costa | 3 | 6 | 5 | | | | | |
| 3 | Carlos Costa | 6 | 4 | 7 | | | | | |
| 3 | Carlos Costa | 6 | 4 | 7 | 3 | Carlos Costa | 4 | 7 | 6 |
| | | | | | 2 | Andrei Medvedev | 6 | 5 | 4 |
| 5 | Javier Sánchez | 2 | 6 | 4 | 2 | Andrei Medvedev | 6 | 5 | 4 |
| 2 | Andrei Medvedev | 6 | 4 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | S Bruguera | 6 | 6 | | | | | | | | | | | | | | | |
| | R Agénor | 4 | 4 | | 1 | S Bruguera | 1 | 6 | 6 | | | | | | | | | |
| | F Davín | 6 | 2 | 6 | | F Davín | 6 | 1 | 0 | | | | | | | | | |
| | H de la Peña | 4 | 6 | 6$^r$ | | | | | | 1 | S Bruguera | 2 | 3$^r$ | | | | | |
| WC | E Couto | 7 | 6 | | | | | | | Q | A Costa | 6 | 4 | | | | | |
| | D Rikl | 5 | 1 | | WC | E Couto | 1 | 2 | | | | | | | | | | |
| Q | A Costa | 0 | 6 | 6 | Q | A Costa | 6 | 6 | | | | | | | | | | |
| 8 | J Svensson | 6 | 4 | 2 | | | | | | | | | | Q | A Costa | 3 | 6 | 5 |
| 3 | C Costa | 6 | 6 | | | | | | | | | | | 3 | C Costa | 6 | 4 | 7 |
| | A Cherkasov | 3 | 2 | | 3 | C Costa | 3 | 7 | 6 | | | | | | | | | |
| Q | J Golmard | 6$^3$ | 7$^7$ | 7 | Q | J Golmard | 6 | 5 | 4 | | | | | | | | | |
| | B Karbacher | 7$^7$ | 6$^3$ | 5 | | | | | | 3 | C Costa | 6 | 6 | | | | | |
| | H Skoff | 1 | r | | | | | | | | A Gaudenzi | 0 | 0 | | | | | |
| Q | F Sánchez | 6 | | | Q | F Sánchez | 3 | 2 | | | | | | | | | | |
| | A Gaudenzi | 6 | 6 | | | A Gaudenzi | 6 | 6 | | | | | | | | | | |
| 6 | Y Kafelnikov | 2 | 4 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | J Sánchez | 6 | 6 | | | | | | | | | | | | | | | |
| | G Schaller | 3 | 1 | | 5 | J Sánchez | 7$^7$ | 6 | | | | | | | | | | |
| WC | N Marques | 2 | 6$^3$ | | | S Doseděl | 6$^5$ | 4 | | | | | | | | | | |
| | S Doseděl | 6 | 7$^7$ | | | | | | 5 | J Sánchez | 6 | 6 | | | | | | |
| | J Burillo | 7 | 1 | 2 | | | | | | E Sánchez | 2 | 2 | | | | | | |
| | E Sánchez | 5 | 6 | 6 | | E Sánchez | 6 | | | | | | | | | | | |
| | Y El Aynaoui | 4 | 2 | | 4 | M-K Goellner | 4 | r | | | | | | | | | | |
| 4 | M-K Goellner | 6 | 6 | | | | | | | | | | | 5 | J Sánchez | 2 | 6 | 4 |
| 7 | R Furlan | 6 | 6 | | | | | | | | | | | 2 | A Medvedev | 6 | 4 | 6 |
| | J Arrese | 2 | 2 | | 7 | R Furlan | 5 | 3 | | | | | | | | | | |
| Q | JF Altur | 1 | 4 | | | A Berasategui | 7 | 6 | | | | | | | | | | |
| | A Berasategui | 6 | 6 | | | | | | | A Berasategui | 7 | 2 | 4 | | | | | |
| | À Corretja | 6 | 6 | | | | | | 2 | A Medvedev | 5 | 6 | 6 | | | | | |
| | R Fromberg | 2 | 2 | | | À Corretja | 4 | 6$^5$ | | | | | | | | | | |
| WC | J Cunha e Silva | 3 | 5 | | 2 | A Medvedev | 6 | 7$^7$ | | | | | | | | | | |
| 2 | A Medvedev | 6 | 7 | | | | | | | | | | | | | | | |