National Bank Open 2021 • ATP Masters 1000 — 抽签
9 — 15 八月
- USAx7
- Australiax4
- Canadax4
- Spainx4
- Russiax4
- Francex3
- Italyx3
- Great Britainx2
- Japanx2
- Serbiax2
- Argentinax1
- Bulgariax1
- Chilex1
- Croatiax1
- Finlandx1
- Georgiax1
- Germanyx1
- Greecex1
- Kazakhstanx1
- Lithuaniax1
- Norwayx1
- Polandx1
- South Africax1
- Russiax4
- USAx4
- Australiax3
- Francex3
- Canadax2
- Spainx2
- Italyx2
- Argentinax1
- Bulgariax1
- Chilex1
- Croatiax1
- Georgiax1
- Greecex1
- Japanx1
- Kazakhstanx1
- Norwayx1
- Polandx1
- South Africax1
- Serbiax1
- Russiax3
- USAx3
- Argentinax1
- Australiax1
- Spainx1
- Francex1
- Georgiax1
- Greecex1
- Norwayx1
- Polandx1
- South Africax1
- Serbiax1
- USAx2
- Spainx1
- Francex1
- Greecex1
- Norwayx1
- Polandx1
- Russiax1