| |  | 
  | |  |
 |  |  | | David Sun |  | | Residence: | Earlysville, VA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA MAS B12 Chmp. #1, January 15, 2011
 Lexington Classic L4, January 22, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Matthew Rose | | 6-0; 6-0 | | Q | Win | Randall Pawlak | | 6-1; 5-0Ret (ill)RI | | S | Win | Nicholas Mueller | 1288 | 6-1Ret (inj)RJ | | F | Win | Michael Fleming | + | 7-6(5); 6-4 | | CS | Loss | Logan Tran | | 8-4 |
|  |  |
William & Mary Winter Series #6 L4, February 5, 2011
 USTA MAS B12 Challenger #1, February 12, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Matthew Sklar | | 6-2; 6-2 |
|  |  |
Nasdaq at Twin Lakes Jr. #8, February 25, 2011
 West Winds Indoor Satellite #9 L5, March 4, 2011
 USTA MAS B12 Chmp. #2, March 19, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Matthew Sklar | | 6-1; 6-0 | | 1 | Loss | Alexander Loope | | 6-3; 6-4 |
|  |  |
Three Chopt March Madness L4, March 25, 2011
 USTA MAS B12 Challenger #2, April 2, 2011
 Kingsmill Satellite L5, April 8, 2011
 USTA Virginia Grassroots Player Developm, April 29, 2011
 USTA MAS B12 Challenger #3, May 7, 2011
 Mall Annual Jr. Tourn., May 28, 2011
 Roanoke Valley Invitational, June 17, 2011
 USTA MAS BG12 Chmp. #3, June 22, 2011
 Lynchburg Jr. Tourn. Series #1 L4, June 24, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | S | Win | Matthew Rose | | 4-6; 6-1; 1-0(7) | | F | Win | Patrick Elder | | 6-2; 6-1 |
|  |  |
Jr. CVITT L4, June 28, 2011
 USTA VA BG12 Hard Courts, July 30, 2011
 Charlottesville Jr. Soft Court Chmps., August 1, 2011
 5th Metro Area Jr. Open L3, August 5, 2011
 Midlothian AC Jr. Open L3, August 8, 2011
 Tennis Life Bethesda Jr. Open L4, August 13, 2011
 Dominion Club Jr. Open L4, August 26, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Michael Stokes | | 6-3; 6-2 | | Q | Win | Joseph Brown | + | 6-3; 5-7; 1-0 | | S | Loss | Chase Bernstine | 144 | 6-2; 6-2 |
|  |  |
33rd Lu Merritt, Sr. Open L4, September 9, 2011
 USTA MAS B12 Challenger #6, September 17, 2011
 David Lemair Tennis Jr. Open L4, September 23, 2011
 Northside Fall Open L5, October 7, 2011
 USTA MAS B12 Championship #4, October 15, 2011
 Green Spring Halloween Open, October 28, 2011
 USTA MAS B14 Challenger #7, November 12, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Patrick Hughes | | 6-4; 7-5 |
|  |  |
USTA MAS B12 Challenger #7, November 19, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | James Scotty | 533 | 6-0; 3-6; 6-3 |
|  |  |
PAJTL Thanksgiving Classic L3, November 25, 2011
 USTA MAS B14 Challenger #8, December 3, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Sean Sculley | | 6-1; 6-0 |
|  |  |
USTA MAS B12 Challenger #8, December 10, 2011
 Boars Head Sports Club Jr. L3, December 17, 2011
 Rick Macci World Chmp. Super Series, December 24, 2011
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
| |  |  | |