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 |  |  | | Nathan Griffin |  | | Residence: | Broadview Heights, OH |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Midwest Jan. Designated B14, January 8, 2011
 Midwest B14 Closed Indoor Chmp., February 5, 2011
 Midwest B14 Des. March Series, March 12, 2011
 CTC Sectional Chmps., May 7, 2011
 Columbus Indoor, May 14, 2011
 NEOTA MW Qualifier Pattison Chmps., June 4, 2011
 Midwest Team Cup - BG14, June 17, 2011
 Midwest Closed BG14-12 Chmps., June 25, 2011
 Laurel Hill Jr. Open, July 11, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Ivan Rakic | | 6-4; 4-6; 1-0 | | 16 | Loss | John Larkin | | 6-3; 6-4 |
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DCC Midwest L5, July 23, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Jack Brendlinger | | 6-1; 6-0 | | 16 | Loss | Michael Sienko | | 6-4; 6-2 | | 3 | Win | Christian Zuber | | 6-1; 6-2 | | QQ | Win | Kevin Hunt | | 6-3; 7-6(1) | | CQ | Loss | Graham Reinbold | | 6-4; 3-6; 1-0(8) |
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Ann Arbor Jr. Open, August 1, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Matthew White | | 6-2; 7-6(4) | | 64 | Win | Vincent Colarossi | | 6-3; 6-2 | | 32 | Win | Lucas Schaible | | 6-0; 6-1 | | 16 | Win | Bradley Plaisier | | 6-3; 4-6; 6-4 | | Q | Loss | Michael Sienko | | 6-4; 6-1 | | CQ | Win | Jacob Gumbleton | | 6-1; 6-0 | | CS | Win | Andrew Ong | | 4-6; 6-3; 13-11 | | CF | Win | Matthew McCormick | | 7-6(2); 4-6; 10-2 |
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Five Seasons Late Summer Open, August 26, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Nico Mostardi | 442 | 6-2; 7-6; 7-6(5) | | S | Win | Yaw Boakye | | 6-1; 6-0 | | F | Win | Robert Stroup | | 7-6(4); 6-3 |
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USTA Regional Tourn. (Cincinnati), October 29, 2011
 26th Thanksgiving Jr. Singles, November 23, 2011
 Midwest Designated December Series B16, December 10, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Michael Sienko | + | 6-4; 7-6((9-7) | | 32 | Win | Richard Zhang | | 7-6(2); 3-6; 6-3 | | 16 | Win | Anthony Arocho | + | 6-2; 5-7; 7-6(5) | | Q | Loss | Zach Berry | | 6-4; 6-2 | | CQ | Loss | Luke Tsai | | 7-5; 6-7; 7-6(4)); 10-8 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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