| Singles | |
|---|---|
| 1992 Croatia Open | |
| Champion |  Thomas Muster |
| Runner-up |  Franco Davín |
| Score | 6–1, 4–6, 6–4 |
| Draw | 32 (3WC/4Q/1LL) |
| Seeds | 8 |
Dimitri Poliakov was the defending champion, but did not compete this year.
Thomas Muster won the title by defeating Franco Davín 6–1, 4–6, 6–4 in the final. [1] [2]
Thomas Muster (champion)
Jordi Arrese (semifinals)
Andrei Medvedev (quarterfinals, withdrew) Franco Davín (final)
Marcelo Filippini (first round)
Renzo Furlan (second round) Guillermo Pérez Roldán (quarterfinals)| Semifinals | Final | ||||||||||||
| 1 | Thomas Muster | 6 | 6 | ||||||||||
| 3/WC | Jordi Arrese | 4 | 4 | ||||||||||
| 1 | Thomas Muster | 6 | 4 | 6 | |||||||||
| 5 | Franco Davín | 1 | 6 | 4 | |||||||||
| 5 | Franco Davín | 2 | |||||||||||
| WC | Horst Skoff | 0r | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | T Muster | 6 | 3 | 6 | |||||||||||||||||||||||
| Q | J Gisbert Schultze | 4 | 6 | 1 | 1 | T Muster | 6 | 6 | |||||||||||||||||||
 D Prinosil | 6 | 6 | D Prinosil | 1 | 0 | ||||||||||||||||||||||
| Q | A Berasategui | 2 | 2 | 1 | T Muster | 7 | 6 | ||||||||||||||||||||
| P Baur | 6 | 6 | 8 | G Pérez Roldán | 5 | 0 | |||||||||||||||||||||
 L Jönsson | 3 | 4 | P Baur | 67 | 6 | 5 | |||||||||||||||||||||
| R Azar | 3 | 64 | 8 | G Pérez Roldán | 79 | 2 | 7 | ||||||||||||||||||||
| 8 | G Pérez Roldán | 6 | 77 | 1 | T Muster | 6 | 6 | ||||||||||||||||||||
| 3/WC | J Arrese | 6 | 6 | 3/WC | J Arrese | 4 | 4 | ||||||||||||||||||||
 M Střelba | 4 | 3 | 3/WC | J Arrese | 7 | 7 | |||||||||||||||||||||
| Q |  B Devening | 6 | 4 | 6 | Q | B Devening | 5 | 5 | |||||||||||||||||||
| M Cierro | 3 | 6 | 3 | 3/WC | J Arrese | 6 | 6 | ||||||||||||||||||||
 B Wuyts | 6 | 6 | JF Altur | 4 | 2 | ||||||||||||||||||||||
| Q | M Visconti | 3 | 2 | B Wuyts | 1 | 3 | |||||||||||||||||||||
| JF Altur | 6 | 7 | JF Altur | 6 | 6 | ||||||||||||||||||||||
| 6 | M Filippini | 1 | 5 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | F Davín | 6 | 6 | ||||||||||||||||||||||||
| M Zillner | 1 | 2 | 5 | F Davín | 6 | 6 | |||||||||||||||||||||
 R Viver | 3 | 77 | 2 | À Corretja | 4 | 4 | |||||||||||||||||||||
| À Corretja | 6 | 62 | 6 | 5 | F Davín | w/o | |||||||||||||||||||||
 F Fontang | 6 | 6 | 4/WC | A Medvedev | |||||||||||||||||||||||
| L Koslowski | 2 | 4 | F Fontang | 4 | 1 | ||||||||||||||||||||||
| MK Goellner | 2 | 6 | 4 | 4/WC | A Medvedev | 6 | 6 | ||||||||||||||||||||
| 4/WC | A Medvedev | 6 | 3 | 6 | 5 | F Davín | 2 | ||||||||||||||||||||
| 7 | R Furlan | 5 | 6 | 6 | WC | H Skoff | 0r | ||||||||||||||||||||
| D Rikl | 7 | 0 | 0 | 7 | R Furlan | 2 | 3 | ||||||||||||||||||||
| WC | H Skoff | 4 | 6 | 6 | WC | H Skoff | 6 | 6 | |||||||||||||||||||
| H de la Peña | 6 | 4 | 1 | WC | H Skoff | 6 | 6 | ||||||||||||||||||||
| O Soules | 3 | 4 |  C Mezzadri | 4 | 4 | ||||||||||||||||||||||
| C Mezzadri | 6 | 6 | C Mezzadri | 64 | 6 | 7 | |||||||||||||||||||||
| M Górriz | 6 | 3 | M Górriz | 77 | 4 | 5 | |||||||||||||||||||||
| LL | M Ardinghi | 0 | 2r | ||||||||||||||||||||||||
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1992 Croatia Open, Umag 24.-30.8.1992. T.Muster (AUT) F.Davin (ARG) 6:1 / 4:6 / 6:4