Houston 1998 • ATP 250 — Ταμπλό
20 — 26 απριλίου
- USAx8
- Argentinax3
- Australiax3
- Germanyx2
- Italyx2
- Netherlandsx2
- Swedenx2
- Armeniax1
- Belgiumx1
- Brazilx1
- Costa Ricax1
- Spainx1
- Norwayx1
- Paraguayx1
- Romaniax1
- South Africax1
- Zimbabwex1
- USAx4
- Argentinax3
- Australiax1
- Brazilx1
- Spainx1
- Germanyx1
- Italyx1
- Netherlandsx1
- Romaniax1
- South Africax1
- Swedenx1
- USAx2
- Australiax1
- Brazilx1
- Spainx1
- Germanyx1
- Romaniax1
- Swedenx1