休斯顿 2009 • ATP 250 — 抽签
6 — 12 四月
- USAx9
- Argentinax7
- Spainx3
- Germanyx3
- Austriax2
- Australiax1
- Brazilx1
- Canadax1
- Chilex1
- Ecuadorx1
- Francex1
- Kazakhstanx1
- South Africax1
- USAx4
- Spainx3
- Argentinax2
- Germanyx2
- Australiax1
- Austriax1
- Chilex1
- Francex1
- Kazakhstanx1
- Germanyx2
- USAx2
- Argentinax1
- Australiax1
- Spainx1
- Kazakhstanx1
- Australiax1
- Germanyx1
- Kazakhstanx1
- USAx1