| Round of 32 | Round of 16 | Quarterfinals | Semifinals | Final | Winner |
|---|
| | | | | | | | (1)William Tutecky (ON) | | | | | | | 2012/01/13 6:30 pm | (1)William Tutecky (ON) | | | | | | Jonathan Sorbo (ON) | 6-0, 6-0 | | | | | | | 2012/01/14 1:30 pm | (1)William Tutecky (ON) | | | | | Daniel Fainblum (ON) | | 6-0, 6-0 | | | | | 2012/01/13 6:30 pm | David Mboko (ON) | | | | | | David Mboko (ON) | 6-4, 2-1 ret | | | | | | | | 2012/01/14 5:15 pm | (1)William Tutecky (ON) | | | | Simon Stoula (ON) | | | 6-1, 2-6, 6-1 | | | | 2012/01/13 6:30 pm | Ron Singer (ON) | | | | | | Ron Singer (ON) | 6-3, 4-6, 6-1 | | | | | | | 2012/01/14 1:30 pm | (7)John Drake (ON) | | | | | Gowtham Ketharanathan (ON) | | 6-3, 6-1 | | | | | 2012/01/13 6:30 pm | (7)John Drake (ON) | | | | | | (7)John Drake (ON) | 6-0, 6-2 | | | | | | | | | 2012/01/15 11:30 am | (1)William Tutecky (ON) | | | (3)Brett Stinson (ON) | | | | 6-1, 6-4 | | | 2012/01/13 6:30 pm | (3)Brett Stinson (ON) | | | | | | Loic Rahier (ON) | 6-0, 6-1 | | | | | | | 2012/01/14 1:30 pm | (3)Brett Stinson (ON) | | | | | Peter Coombs (ON) | | 6-4, 6-2 | | | | | 2012/01/13 6:30 pm | Malik Bhatnagar (ON) | | | | | | Malik Bhatnagar (ON) | 6-2, 7-5 | | | | | | | | 2012/01/14 5:15 pm | (3)Brett Stinson (ON) | | | | Ethan Halpren (ON) | | | 6-2, 4-6, 6-3 | | | | 2012/01/13 7:45 pm | Brooks Coffey (ON) | | | | | | Brooks Coffey (ON) | 6-2, 6-4 | | | | | | | 2012/01/14 1:30 pm | (5)Aleksandar Petrovic (ON) | | | | | Tyler O'meara (ON) | | 6-0, 6-2 | | | | | 2012/01/13 7:45 pm | (5)Aleksandar Petrovic (ON) | | | | | | (5)Aleksandar Petrovic (ON) | 6-4, 6-1 | | | | | | | | | | not before 2012/01/15 2:00 pm | (1)William Tutecky (ON) | | (6)Ivan Mitric (ON) | | | | | 6-4, 6-4 | | 2012/01/13 7:45 pm | (6)Ivan Mitric (ON) | | | | | | Amad Ahmed (ON) | 6-1, 6-3 | | | | | | | 2012/01/14 1:30 pm | (6)Ivan Mitric (ON) | | | | | Ivan Radomirovic (ON) | | 7-5, 6-4 | | | | | 2012/01/13 7:45 pm | Ivan Radomirovic (ON) | | | | | | Justin Deak (ON) | 6-0, 6-0 | | | | | | | | 2012/01/14 5:15 pm | (6)Ivan Mitric (ON) | | | | Nick Lagaev (ON) | | | 4-6, 6-4, 7-5 | | | | 2012/01/13 7:45 pm | Arseniy Sklyarov (ON) | | | | | | Arseniy Sklyarov (ON) | 6-1, 6-1 | | | | | | | 2012/01/14 1:30 pm | (4)Eli Ogilvy (ON) | | | | | Mark Pieczynski (ON) | | 7-5, 6-2 | | | | | 2012/01/13 7:45 pm | (4)Eli Ogilvy (ON) | | | | | | (4)Eli Ogilvy (ON) | 6-2, 6-0 | | | | | | | | | 2012/01/15 11:30 am | (2)Christian Lakoseljac (ON) | | | (8)Clarke Wilson (ON) | | | | 6-0, 6-0 | | | 2012/01/13 9:00 pm | (8)Clarke Wilson (ON) | | | | | | David Sun (ON) | 6-1, 6-0 | | | | | | | 2012/01/14 2:45 pm | (8)Clarke Wilson (ON) | | | | | Alexander Mironov (ON) | | 6-3, 6-0 | | | | | 2012/01/13 9:00 pm | Alexander Mironov (ON) | | | | | | Luke Smrek (ON) | 6-2, 7-5 | | | | | | | | 2012/01/14 5:15 pm | (2)Christian Lakoseljac (ON) | | | | Marko Kacar (ON) | | | 6-4, 6-2 | | | | 2012/01/13 9:00 pm | Marko Petrovic (ON) | | | | | | Marko Petrovic (ON) | 6-0, 6-3 | | | | | | | 2012/01/14 2:45 pm | (2)Christian Lakoseljac (ON) | | | | | Maxim Kasianiuk (ON) | | 6-2, 6-0 | | | | | 2012/01/13 9:00 pm | (2)Christian Lakoseljac (ON) | | | | | | (2)Christian Lakoseljac (ON) | 6-0, 6-0 | | | | | | | | | | | |
|
|
| No | Player |
| 1 | Tutecky William |
| 2 | Lakoseljac Christian |
| 3 | Stinson Brett |
| 4 | Ogilvy Eli |
| 5 | Petrovic Aleksandar |
| 6 | Mitric Ivan |
| 7 | Drake John |
| 8 | Wilson Clarke |
|