| Round of 16 | Quarterfinals | Semifinals | Final | Winner |
|---|
| | | | | | | (1)Toni Ormond (ON) | | | | | | ---- | (1)Toni Ormond (ON) | | | | | BYE | | | | | | | ACE 2012/03/24, Sat at 2:15pm | (1)Toni Ormond (ON) | | | | Priscilla Mae Bulandres (ON) | | 6-0,6-0 | | | | ACE 2012/03/24, Sat at 11:15am | Jane Coombs (ON) | | | | | Jane Coombs (ON) | 6-4,6-1 | | | | | | | ACE 2012/03/25, Sun at 10:15am | (1)Toni Ormond (ON) | | | Samantha Kronick (ON) | | | 6-4,6-4 | | | ---- | Samantha Kronick (ON) | | | | | BYE | | | | | | | ACE 2012/03/24, Sat at 2:15pm | Tanja Gligoric (ON) | | | | BYE | | 0-6,7-6(3),6-0 | | | | ---- | Tanja Gligoric (ON) | | | | | Tanja Gligoric (ON) | | | | | | | | | ACE 2012/03/25, Sun at 12:45pm | (1)Toni Ormond (ON) | | Diana Mirceta (ON) | | | | 1-6,6-0,6-2 | | ---- | Diana Mirceta (ON) | | | | | BYE | | | | | | | ACE 2012/03/24, Sat at 2:30pm | Katarina Kostovic (ON) | | | | Renata Moldovan (ON) | | 7-6(5),1-6,6-3 | | | | ACE 2012/03/24, Sat at 11:30am | Katarina Kostovic (ON) | | | | | Katarina Kostovic (ON) | 6-4,6-4 | | | | | | | ACE 2012/03/25, Sun at 10:15am | (2)Anna Mironova (ON) | | | Kenzie Arnott (ON) | | | 6-2,6-2 | | | ACE 2012/03/24, Sat at 11:30am | Marisa Tassone (ON) | | | | | Marisa Tassone (ON) | 6-0,6-0 | | | | | | ACE 2012/03/24, Sat at 2:30pm | (2)Anna Mironova (ON) | | | | BYE | | 4-6,6-2,6-2 | | | | ---- | (2)Anna Mironova (ON) | | | | | (2)Anna Mironova (ON) | | | | | | | | | | |
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