# 1993 Croatia Open – Singles

Thomas Muster successfully defended his title by defeating Alberto Berasategui 7–5, 3–6, 6–3 in the final.

## Seeds

* Thomas Muster (champion)
* Magnus Gustafsson (semifinals)
* Horst Skoff (quarterfinals, withdrew)
* Guillermo Pérez Roldán (quarterfinals)
* Renzo Furlan (semifinals)
* Alberto Berasategui (final)
* Jordi Arrese (first round)
* Sláva Doseděl (second 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 |
| 1 | Thomas Muster | 7$^7$ | 6 | | | | | | |
| 5 | Renzo Furlan | 6$^3$ | 3 | | | | | | |
| 5 | Renzo Furlan | 6$^3$ | 3 | | 1 | Thomas Muster | 7 | 3 | 6 |
| | | | | | 6 | Alberto Berasategui | 5 | 6 | 3 |
| 6 | Alberto Berasategui | 1 | 6 | 6 | 6 | Alberto Berasategui | 5 | 6 | 3 |
| 2 | Magnus Gustafsson | 6 | 2 | 3 | | | | | |

### 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 |
| 1 | T Muster | 6 | 6 | | | | | | | | | | | | | | | |
| WC | E Rasberger | 1 | 2 | | 1 | T Muster | 6 | 6 | | | | | | | | | | |
| WC | A Gaudenzi | 5 | 7$^7$ | 5 | | JF Altur | 4 | 2 | | | | | | | | | | |
| | JF Altur | 7 | 6$^5$ | 7 | | | | | | 1 | T Muster | 6 | 6 | | | | | |
| WC | D Buljević | 4 | 2 | | | | | | | Q | J Gisbert Schultze | 4 | 3 | | | | | |
| | A Mancini | 6 | 6 | | | A Mancini | 6$^5$ | 6 | 5 | | | | | | | | | |
| Q | J Gisbert Schultze | 7$^7$ | 6 | | Q | J Gisbert Schultze | 7$^7$ | 3 | 7 | | | | | | | | | |
| 7 | J Arrese | 6$^4$ | 4 | | | | | | | | | | | | 1 | T Muster | 7$^7$ | 6 |
| 4 | G Pérez Roldán | 7$^7$ | 6 | | | | | | | | | | | | 5 | R Furlan | 6$^3$ | 3 |
| | B Wuyts | 6$^3$ | 2 | | 4 | G Pérez Roldán | 6 | 6 | | | | | | | | | | |
| | L Jönsson | 3 | 7 | 4 | | O Fernández | 4 | 0 | | | | | | | | | | |
| | O Fernández | 6 | 5 | 6 | | | | | | 4 | G Pérez Roldán | 6 | 0 | 6$^3$ | | | | |
| | F Davín | 6 | 6 | | | | | | | 5 | R Furlan | 4 | 6 | 7$^7$ | | | | |
| Q | M Tillström | 2 | 1 | | | F Davín | 4 | 5 | | | | | | | | | | |
| | M Střelba | 7 | 3 | 0 | 5 | R Furlan | 6 | 7 | | | | | | | | | | |
| 5 | R Furlan | 5 | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | A Berasategui | 6 | 6 | | | | | | | | | | | | | | | |
| Q | F Sánchez | 2 | 3 | | 6 | A Berasategui | 7 | 6 | | | | | | | | | | |
| | J Cunha e Silva | 6$^3$ | 3 | | | F Roig | 5 | 1 | | | | | | | | | | |
| | F Roig | 7$^7$ | 6 | | | | | | | 6 | A Berasategui | w/o | | | | | | |
| | D Orsanic | 6 | 6 | | | | | | | 3 | H Skoff | | | | | | | |
| | F Dewulf | 3 | 4 | | | D Orsanic | 2 | 6$^4$ | | | | | | | | | | |
| | M Naewie | 5 | 3 | | 3 | H Skoff | 6 | 7$^7$ | | | | | | | | | | |
| 3 | H Skoff | 7 | 6 | | | | | | | | | | | 6 | A Berasategui | 1 | 6 | 6 |
| 8 | S Doseděl | 4 | 6 | 7 | | | | | | | | | | 2 | M Gustafsson | 6 | 2 | 3 |
| | S Cortés | 6 | 1 | 5 | 8 | S Doseděl | 5 | 1 | | | | | | | | | | |
| | G Markus | 6 | 3 | 6 | | G Markus | 7 | 6 | | | | | | | | | | |
| | M Stringari | 3 | 6 | 3 | | | | | | | G Markus | 2 | 4 | | | | | |
| | C Mezzadri | 2 | 7$^7$ | 6 | | | | | | 2 | M Gustafsson | 6 | 6 | | | | | |
| Q | A Mancisidor | 6 | 6$^4$ | 0 | | C Mezzadri | 3 | 7$^7$ | 4 | | | | | | | | | |
| | M Górriz | 2 | 5 | | 2 | M Gustafsson | 6 | 6$^3$ | 6 | | | | | | | | | |
| 2 | M Gustafsson | 6 | 7 | | | | | | | | | | | | | | | |