The 1999 WTA Madrid Open, also known by its sponsored name Open Páginas Amarillas, was a women's tennis tournament played on outdoor clay courts in Madrid, Spain that was part of Tier III of the 1999 WTA Tour. The tournament was held from 17 May through 23 May 1999. First-seeded Lindsay Davenport won the singles title.
| Country | Player | Rank | Seed | |
|---|---|---|---|---|
 United States | Lindsay Davenport | 2 | 1 | |
| Patty Schnyder | 11 | 2 | ||
| United States | Chanda Rubin | 23 | 4 | |
 Italy | Silvia Farina | 25 | 5 | |
 Spain | Magüi Serna | 26 | 6 | |
| United States | Amy Frazier | 30 | 7 | |
| Spain | Virginia Ruano Pascual | 39 | 8 | |
 Israel | Anna Smashnova | 38 | 9 |
The following players received wildcards into the singles main draw:
Marta Marrero
Carolina RodríguezThe following players received wildcards into the doubles main draw:
The following players received entry from the singles qualifying draw:
The following players received entry as lucky losers:
The following players received entry from the doubles qualifying draw:
See main article: 1999 WTA Madrid Open – Singles. Lindsay Davenport defeated 
Paola Suárez, 6–1, 6–3[1]
See main article: 1999 WTA Madrid Open – Doubles. Virginia Ruano Pascual / Paola Suárez defeated María Fernanda Landa / Marlene Weingärtner, 6–2, 0–6, 6–0
