National Bank Open 1991 • ATP Masters 1000 — ড্র
22 — 28 জুলাই
- USAx24
- Australiax5
- Canadax5
- Francex3
- Germanyx3
- Italyx3
- Swedenx3
- Czech Republicx2
- Israelx2
- Indiax1
- Japanx1
- Mexicox1
- Perux1
- Russiax1
- Switzerlandx1
- USAx15
- Australiax3
- Canadax3
- Israelx2
- Swedenx2
- Czech Republicx1
- Francex1
- Germanyx1
- Italyx1
- Japanx1
- Russiax1
- Switzerlandx1
- USAx7
- Australiax2
- Czech Republicx1
- Francex1
- Israelx1
- Italyx1
- Japanx1
- Russiax1
- Switzerlandx1
- USAx4
- Czech Republicx1
- Japanx1
- Russiax1
- Switzerlandx1
- USAx2
- Czech Republicx1
- Russiax1