Houston 1999 • ATP 250Undhian
19 — 25 april
- ASx5
- Argentinax4
- Australiax4
- Spanyolx4
- Swediax3
- Prancisx2
- Italiax2
- Armeniax1
- Austriax1
- Belgiax1
- Belarusx1
- Bulgariax1
- Republik Cekox1
- Norwegiax1
- Rumaniax1
- Argentinax3
- Spanyolx3
- Australiax2
- Armeniax1
- Belarusx1
- Prancisx1
- Italiax1
- Norwegiax1
- Rumaniax1
- Swediax1
- ASx1
- Argentinax2
- Belarusx1
- Spanyolx1
- Norwegiax1
- Rumaniax1
- Swediax1
- ASx1
- Argentinax1
- Belarusx1
- Norwegiax1
- Swediax1