| |  | 
  | |  |
 |  |  | | Nathan Griffin |  | | Residence: | Broadview Heights, OH |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
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 |
|  |  |
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) |
|  |  |
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 |
|  |  |
Five Seasons Late Summer Open, August 26, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Nico Mostardi | 822 | 6-2; 7-6; 7-6(5) | | S | Win | Yaw Boakye | | 6-1; 6-0 | | F | Win | Robert Stroup | | 7-6(4); 6-3 |
|  |  |
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 |
|  |  |
USTA/Midwest Jan. Des. B16, January 14, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Tom Carney | | Wd (inj)WJ* | | 32 | Loss | Jasper Koenen | | 6-4; 6-4 | | 2 | Win | Timothy Wang | + | 6-7(4; 7-6(9); 10-2 | | 3Q | Win | Jack Petersen | + | 6-3; 6-4 | | 3 | Loss | Eddie Grabill | 36 | 7-5; 6-1 |
|  |  |
USTA Regional Tourn. (Dayton), January 21, 2012
 Paramount Jr. Winter Open, February 10, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Austin Aten | | 6-0; 6-1 | | 16 | Win | Michael Riley | | 6-0; 6-4 | | Q | Win | Noah Hendrickson | | 6-2; 2-6; 10-8 | | S | Loss | Aaron Sandberg | | 6-4; 6-4 |
|  |  |
USTA/Midwest B16 Indoor Closed, February 18, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Kyle Scheffers | | 6-1; 6-7(2); 6-3 | | 32 | Loss | Aaron Sandberg | | 1-6; 6-4; 6-4 | | 2 | Loss | Sam Hoogland | | 6-1; 3-6; 1-0(7) |
|  |  |
USTA/Midwest B16 March Designated, March 10, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Alex Ross | 38 | 7-6(5); 6-7(2); 6-4 | | 1 | Win | Andy Page | | 6-0; 6-2 | | 2 | Win | Colin Harvey | + | 6-0; 6-2 | | 3Q | Win | Richard Zhang | | 6-3; 6-3 | | 3 | Loss | Sam Hoogland | | 6-2; 3-6; 1-0(10-8) |
|  |  |
+ Strong win over an ineligible player. * The ranking calculation does not count this match.
| |  |  | |