# 2000 Croatia Open – Singles

Magnus Norman was the defending champion, but chose to compete at Stuttgart in the same week.
Marcelo Ríos won the title by defeating Mariano Puerta 7–6$^{(7–1)}$, 4–6, 6–3 in the final.

## Seeds

* Mariano Puerta (final)
* Marcelo Ríos (champion)
* Albert Portas (second round)
* Carlos Moyá (semifinals)
* Jeff Tarango (first round)
* Alberto Martín (quarterfinals)
* Martin Damm (quarterfinals)
* Galo Blanco (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 | Mariano Puerta | 4 | 6 | 6 | | | | | |
| | Bohdan Ulihrach | 6 | 2 | 3 | | | | | |
| | Bohdan Ulihrach | 6 | 2 | 3 | 1 | Mariano Puerta | 6$^1$ | 6 | 3 |
| | | | | | 2 | Marcelo Ríos | 7$^7$ | 4 | 6 |
| 4 | Carlos Moyá | 2 | 5 | | 2 | Marcelo Ríos | 7$^7$ | 4 | 6 |
| 2 | Marcelo Ríos | 6 | 7 | | | | | | |

### 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 | M Puerta | 6 | 6 | | | | | | | | | | | | | | | | |
| | J Alonso | 4 | 1 | | 1 | M Puerta | 6 | 4 | 6 | | | | | | | | | | |
| | I Ljubičić | 7$^8$ | 6 | | | I Ljubičić | 4 | 6 | 4 | | | | | | | | | | |
| WC | L Zovko | 6$^6$ | 2 | | | | | | | 1 | M Puerta | 6 | 6 | | | | | | |
| | J Vaněk | 3 | 6 | 5 | | | | | | 7 | M Damm | 3 | 2 | | | | | | |
| WC | S Bruguera | 6 | 1 | 7 | WC | S Bruguera | 3 | 6 | 3 | | | | | | | | | | |
| WC | Dennis Peschek | 2 | 1 | | 7 | M Damm | 6 | 1 | 6 | | | | | | | | | | |
| 7 | M Damm | 6 | 6 | | | | | | | | | | | | 1 | M Puerta | 4 | 6 | 6 |
| 3 | A Portas | 6 | 6 | | | | | | | | | | | | | B Ulihrach | 6 | 2 | 3 |
| | P Kralert | 1 | 3 | | 3 | A Portas | 6 | 4 | 1 | | | | | | | | | | |
| | M Hipfl | 4 | 5 | | | B Ulihrach | 4 | 6 | 6 | | | | | | | | | | |
| | B Ulihrach | 6 | 7 | | | | | | | | B Ulihrach | 6 | 4 | 6 | | | | | |
| Q | W Schranz | 3 | 6 | 7$^9$ | | | | | | 6 | A Martín | 3 | 6 | 4 | | | | | |
| | Á López Morón | 6 | 2 | 6$^7$ | Q | W Schranz | 2 | 3 | | | | | | | | | | | |
| | G Cañas | 6 | 0 | 4 | 6 | A Martín | 6 | 6 | | | | | | | | | | | |
| 6 | A Martín | 1 | 6 | 6 | | | | | | | | | | | | | | | |

### 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 |
| 5 | J Tarango | 6 | 2 | 1 | | | | | | | | | | | | | |
| Q | M Martelli | 4 | 6 | 6 | Q | M Martelli | 2 | 3 | | | | | | | | | |
| | T Zíb | 3 | 2 | | Q | R Carretero | 6 | 6 | | | | | | | | | |
| Q | R Carretero | 6 | 6 | | | | | | Q | R Carretero | 7 | 3 | 4 | | | | |
| | H Gumy | 7 | 2 | 4 | | | | | 4 | C Moyá | 5 | 6 | 6 | | | | |
| | JA Marín | 5 | 6 | 6 | | JA Marín | 3 | 3 | | | | | | | | | |
| Q | I Vajda | 3 | 1 | | 4 | C Moyá | 6 | 6 | | | | | | | | | |
| 4 | C Moyá | 6 | 6 | | | | | | | | | | | 4 | C Moyá | 2 | 5 |
| 8 | G Blanco | 7 | 6 | | | | | | | | | | | 2 | M Ríos | 6 | 7 |
| | M Tabara | 5 | 4 | | 8 | G Blanco | 1 | 4 | | | | | | | | | |
| | D Sánchez | 6 | 6 | | | D Sánchez | 6 | 6 | | | | | | | | | |
| | S Sargsian | 3 | 4 | | | | | | | D Sánchez | 6$^6$ | 2 | | | | | |
| | G Puentes | 6 | 3 | 6 | | | | | 2 | M Ríos | 7$^8$ | 6 | | | | | |
| | F Mantilla | 3 | 6 | 3 | | G Puentes | 3 | 2 | | | | | | | | | |
| | J Krošlák | 3 | 1 | | 2 | M Ríos | 6 | 6 | | | | | | | | | |
| 2 | M Ríos | 6 | 6 | | | | | | | | | | | | | | |