| Round of 16 | Quarterfinals | Semifinals | Final | Winner |
|---|
| | | | | | | (1)Tyler O'meara (ON) | | | | | | ACE 2012/03/23, Fri at 5:00pm | (1)Tyler O'meara (ON) | | | | | Mark Nirenshtein (ON) | 6-2,6-1 | | | | | | ACE 2012/03/24, Sat at 1:00pm | (1)Tyler O'meara (ON) | | | | Simon Stoula (ON) | | 6-7(5),6-3,6-4 | | | | ACE 2012/03/23, Fri at 5:00pm | Nikolas Loncar (ON) | | | | | Nikolas Loncar (ON) | 6-2,6-0 | | | | | | | ACE 2012/03/24, Sat at 4:00pm | (3)Kamen Damov (QC) | | | (3)Kamen Damov (QC) | | | 6-0,6-2 | | | ACE 2012/03/23, Fri at 6:15pm | (3)Kamen Damov (QC) | | | | | Vidharshana Sivakumar (ON) | 6-0,6-0 | | | | | | ACE 2012/03/24, Sat at 1:00pm | (3)Kamen Damov (QC) | | | | Nicholas Lau (ON) | | 6-0,6-0 | | | | ACE 2012/03/23, Fri at 5:00pm | Nicholas Lau (ON) | | | | | Zeeydan Youssef (ON) | 6-1,5-7,7-5 | | | | | | | | ACE 2012/03/25, Sun at 10:15am | (3)Kamen Damov (QC) | | Christopher Henein (ON) | | | | 6-3,5-7,7-6(1) | | ACE 2012/03/23, Fri at 5:00pm | Luke Issajenko (ON) | | | | | Luke Issajenko (ON) | 6-2,6-0 | | | | | | ACE 2012/03/24, Sat at 1:00pm | Luke Issajenko (ON) | | | | Jakob Nielsen (ON) | | 6-1,6-1 | | | | ACE 2012/03/23, Fri at 6:00pm | (4)Ananmay Kapoor (ON) | | | | | (4)Ananmay Kapoor (ON) | 5-7,7-6(4),6-0 | | | | | | | ACE 2012/03/24, Sat at 4:15pm | (2)Ron Singer (ON) | | | James Pearson (ON) | | | 6-1,6-3 | | | ACE 2012/03/23, Fri at 5:00pm | Mark Jensen (ON) | | | | | Mark Jensen (ON) | | | | | | | 6-1,6-0 | (2)Ron Singer (ON) | | | | Shiva Murali (ON) | | 6-1,6-3 | | | | ACE 2012/03/23, Fri at 6:15pm | (2)Ron Singer (ON) | | | | | (2)Ron Singer (ON) | 6-0,6-0 | | | | | | | | | |
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