| 1999 Croatia Open | |
|---|---|
| Date | 26 July – 1 August |
| Edition | 10th |
| Category | World Series |
| Draw | 32S / 16D |
| Prize money | $375,000 |
| Surface | Clay / outdoor |
| Location | Umag, Croatia |
| Champions | |
| Singles | |
 Magnus Norman[1] | |
| Doubles | |
 Mariano Puerta / Javier Sánchez[2] | |
The1999 Croatia Open, also known as theInternational Championship of Croatia-Umag, was a men'stennis tournament played on outdoorclay courts inUmag, Croatia that was part of theWorld Series of the1999 ATP Tour. It was the tenth edition of the tournament and was held from 26 July until 1 August 1999. Eighth-seededMagnus Norman won the singles title.[3]
Magnus Norman defeated
Jeff Tarango, 6–2, 6–4
Mariano Puerta /Javier Sánchez defeated
Massimo Bertolini /Cristian Brandi, 3–6, 6–2, 6–3