Tokyo 2001 • ATP 500 — Undhian
1 — 7 october
- Germanyx7
- Japanx7
- Czech Republicx4
- USAx4
- Australiax3
- Great Britainx3
- Brazilx2
- Chilex2
- Spainx2
- Francex2
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- Netherlandsx2
- Philippinesx2
- Switzerlandx2
- Swedenx2
- Thailandx2
- Armeniax1
- Georgiax1
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- South Africax1
- Slovakiax1
- Zimbabwex1
- Germanyx6
- USAx3
- Australiax2
- Chilex2
- Czech Republicx2
- Israelx2
- Japanx2
- Switzerlandx2
- Swedenx2
- Armeniax1
- Spainx1
- South Koreax1
- Netherlandsx1
- Paraguayx1
- Philippinesx1
- Slovakiax1
- Thailandx1
- Zimbabwex1
- USAx3
- Chilex2
- Germanyx2
- Switzerlandx2
- Australiax1
- Spainx1
- Japanx1
- Netherlandsx1
- Slovakiax1
- Swedenx1
- Thailandx1
- Australiax1
- Chilex1
- Spainx1
- Japanx1
- Netherlandsx1
- Switzerlandx1
- Slovakiax1
- USAx1
- Australiax1
- Switzerlandx1
- Slovakiax1
- USAx1