|  | 
  | |  |
 |  |  | David Sun |  | Residence: | Earlysville, VA |
Birthplace: | Unknown | Age: | Unknown | Height: | Unknown | Plays: | Unknown | Coaching: | Unknown |  | Complete Bio | |
Tennis Life End of Year Jr. Open L5, December 29, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 16 | Win | William Feigert | | 6-0; 6-1 | Q | Win | Joey Mallon | | 6-2; 6-7; 10-6 | S | Win | Jack Welch | 294 | Wd (admin)WI* | F | Win | John Richter | | 6-1; 6-0 |
|  |  |
USTA MAS Championship #1 B14, January 5, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 32 | Win | Matthew Cousins | | 6-1; 6-0 | 16 | Loss | Joseph Nardini | | 6-0; 6-1 | 2 | Loss | Ammar Alhogbani | 20 | 6-2; 6-0 |
|  |  |
USTA MAS B12 Chmp. #1 L1, January 12, 2013
 USTA Regional Tourn. (Dayton), January 26, 2013
 Regency Jr. Open #6 L5, February 22, 2013
 USTA MAS B14 Chmp. #2, March 2, 2013
 USTA MAS B12 Chmp. #2, March 9, 2013
 David Lemair Tennis Winter Outdoor Open, March 16, 2013
 Raintree Tr. Ctr. Classic L3, March 30, 2013
 USTA MAS B14 Challenger #2, April 20, 2013
 USTA MAS Challenger #2 B14, April 27, 2013
 Fredericksburg USTA Jr. Tourn. L4, May 4, 2013
 USTA National Open, May 11, 2013
 USTA MAS Challenger #3 B14, May 18, 2013
 Farmington CC Jr. One-Day Smash L5, May 25, 2013
 Boar's Head SC Jr. Chmps., June 1, 2013
 Roanoke Valley Invitational Tourn., June 14, 2013
 USTA MAS BG12 Chmp. #3, June 20, 2013
 Anaquash Regional Jr. Open #6, June 29, 2013
 Northeast Inter-Regional Chmps. B14, July 1, 2013
 USTA MAS Challenger #4, July 6, 2013
 USTA B12 National Clay Court Chmps., July 14, 2013
 USTA VA BG16-12 Clay Court Chmps., July 19, 2013
 USTA Zone Team GB12 - Sumter, July 24, 2013
 USTA MAS BG14 Challenger #5, August 10, 2013
 USTA Regional Tourn. (West Chester), August 31, 2013
 USTA MAS B14 Challenger #6, September 7, 2013
 Boars Head L4, September 28, 2013
 USTA MAS B14 Championship #4, October 12, 2013
 USTA MAS B16 Challenger #7, November 2, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 32 | Win | Matthew Rose | | 7-5; 6-7; 6-0 | 16 | Loss | Camron Cohen | | 6-2; 6-1 |
|  |  |
USTA MAS B14 Challenger #7, November 9, 2013
 USTA MAS BG16 Challenger #8, December 7, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | 64 | Loss | Nikhil Ramachandran | | 7-5; 6-1 |
|  |  |
USTA MAS B14 Challenger #8, December 14, 2013
 Boar's Head Winter Chmps. L3, December 20, 2013
 * The ranking calculation does not count this match.
| |  |  | |