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 |  |  | | Patrick O'Brien |  | | Residence: | Pittsford, NY |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
L1B Pittsford Thanksgiving Classic, November 25, 2011
 L1 Mendon Winter Classic Chmps., January 27, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Andreas Jekov | | Wd (inj)WJ* | | S | Loss | Brian Burr | | 6-1; 6-4 |
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L1B Midtown's February Challenger, February 3, 2012
 L1B Pittsford March Madness Challenger, March 2, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Kade Canessa | | 6-0; 6-0 | | S | Loss | Evan Vail | | 7-5; 7-5 |
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L1B Pittsford Spring Fling Challenger, April 6, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Matthew Bronsky | | 6-1; 6-3 | | S | Loss | Abraham Davis | | 5-7; 6-3; 10-6 |
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L1B April Challenger @ Midtown AC, April 13, 2012
 L1 Binghamton Eastern BG12 Des. Closed, April 20, 2012
 L1 Midtown May Chmps., May 18, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Christian Erickson | | 6-1; 6-1 | | S | Loss | Jason Piacelli | | 1-6; 6-4; 10-8 |
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L1 Rochester Summer Chmps., June 22, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Nikolas Loncar | | 7-5; 6-3 | | F | Win | Brian Burr | + | 6-0; 6-4 |
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L1B Western NY Challenger, June 29, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Jason Bolea | | 7-5; 6-1 | | S | Loss | Venkatesh Ramkumar | | 7-6(2); 6-1 |
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USTA Regional Tourn. (Pittsford), July 7, 2012
 L1 Binghamton TC Summer Open Chmp., August 4, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Josh Marvald | | Wd (emerg)WI* | | S | Win | Christopher Lansing | | 6-0; 6-1 | | F | Loss | Noah Reich | | 6-2; 2-6; 6-1 |
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L1 Midtown Summer Chmps., August 24, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Jack McClaren | | 7-5; 6-4 | | S | Win | Jason Piacelli | | 6-2; 6-2 | | F | Win | Josh Marvald | | 6-0; 7-5 |
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USTA Regional Tourn. (Wexford), September 1, 2012
 L1 Village Glen Eastern Des. Closed B18,, September 7, 2012
 L1 MRPC September Fiesta Chmp., September 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Patrick Sebastian | 387 | 7-6(6); 6-1 | | S | Win | Brian Burr | + | 6-7(3); 6-2; 10-5 | | F | Loss | Sean Patrick | | 6-0; 6-4 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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