| Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Winner |
|---|
| | | | | | | | (1)Marc Isaia (ON) | | | | | | | ---- | (1)Marc Isaia (ON) | | | | | | BYE | | | | | | | | ACE 2011/12/16 at 6:30pm | (1)Marc Isaia (ON) | | | | | BYE | | 6-2, 6-4 | | | | | ---- | Peter Coombs (ON) | | | | | | Peter Coombs (ON) | | | | | | | | | ACE 2011/12/17 at 4:00pm | (1)Marc Isaia (ON) | | | | Victor Sydorczak (ON) | | | 6-4,6-4 | | | | ---- | Victor Sydorczak (ON) | | | | | | BYE | | | | | | | | ACE 2011/12/16 at 6:15pm | Victor Sydorczak (ON) | | | | | BYE | | 6-4, 3-6, 6-3 | | | | | ---- | Michael Meissner (ON) | | | | | | Michael Meissner (ON) | | | | | | | | | | Sun 11:15am | (1)Marc Isaia (ON) | | | (3)Ivan Mitric (ON) | | | | 6-3, 6-1 | | | ---- | (3)Ivan Mitric (ON) | | | | | | BYE | | | | | | | | ACE 2011/12/16 at 7:30pm | (3)Ivan Mitric (ON) | | | | | Edin Sehovic (ON) | | 6-3, 6-1 | | | | | ACE 2011/12/16 at 5:30pm | Christopher Corrao (ON) | | | | | | Christopher Corrao (ON) | 5-7, 6-2, 6-3 | | | | | | | | ACE 2011/12/17 at 3:30pm | (3)Ivan Mitric (ON) | | | | Cole Ciccone (ON) | | | 6-4,6-3 | | | | ---- | Cole Ciccone (ON) | | | | | | BYE | | | | | | | | ACE 2011/12/16 at 8:00pm | Alexander Mironov (ON) | | | | | BYE | | 6-4,6-0 | | | | | ---- | Alexander Mironov (ON) | | | | | | Alexander Mironov (ON) | | | | | | | | | | | | (1)Marc Isaia (ON) | | Ivan Radomirovic (ON) | | | | | 6-0, 6-3 | | ---- | Ivan Radomirovic (ON) | | | | | | BYE | | | | | | | | ACE 2011/12/16 at 7:00pm | Ivan Radomirovic (ON) | | | | | Matthew Loi Quach (ON) | | 6-1,6-3 | | | | | ACE 2011/12/16 at 5:00pm | Daniel Dala (ON) | | | | | | Daniel Dala (ON) | 6-1, 6-3 | | | | | | | | ACE 2011/12/17 at 4:00pm | John Drake (ON) | | | | John Drake (ON) | | | 5-7,6-4,6-3 | | | | ---- | John Drake (ON) | | | | | | BYE | | | | | | | | ACE 2011/12/16 at 6:30pm | John Drake (ON) | | | | | BYE | | 6-3, 6-4 | | | | | ---- | (4)Arseniy Sklyarov (ON) | | | | | | (4)Arseniy Sklyarov (ON) | | | | | | | | | | Sun 11:15am | John Drake (ON) | | | Kevin Grela (ON) | | | | 6-3, 6-0 | | | ACE 2011/12/16 at 5:00pm | Reid Bianchini (ON) | | | | | | Reid Bianchini (ON) | 6-0, 6-1 | | | | | | | ACE 2011/12/16 at 7:15pm | Reid Bianchini (ON) | | | | | BYE | | 6-1, 6-1 | | | | | ---- | Sergio Raez (ON) | | | | | | Sergio Raez (ON) | | | | | | | | | ACE 2011/12/17 at 3:00pm | Gabriel Pozo (ON) | | | | Gabriel Pozo (ON) | | | 6-2, 6-2 | | | | ---- | Gabriel Pozo (ON) | | | | | | BYE | | | | | | | | ACE 2011/12/16 at 6:00pm | Gabriel Pozo (ON) | | | | | BYE | | 7-5, 6-2 | | | | | ---- | (2)Jonathan Soriano (ON) | | | | | | (2)Jonathan Soriano (ON) | | | | | | | | | | | | |
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