| |  | 
  | |  |
 |  |  | | Felix Sun (USA) |  | | Residence: | Potomac, MD |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA MAS B16 Chmp. #1 L1, January 20, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | C. Garrett Widing | | 6-3; 6-3 | | 16 | Win | Brian Randolph | | 6-1; 6-2 | | Q | Win | Justin Shane | 87 | 5-7; 6-4; 10-6 | | S | Loss | Christopher Goodwin | | 6-4; 7-5 | | PL | Loss | Jordan Dyke | | 6-1; 6-3 |
|  |  |
USTA MAS B18 Chmp. #1 L1, February 3, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | C. J. Allen Williams | | 6-3; 6-2 | | 16 | Loss | Patrick Daciek | | 6-4; 1-6; 7-5 | | 2 | Loss | Jeremy New | | 7-5; 6-2 |
|  |  |
USTA National Opens, February 17, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Christian Roehmer | 281 | 6-3; 6-3 | | 32 | Loss | Benjamin Guzick | | 6-3; 6-4 | | 2 | Loss | Jake Annear | | 6-2; 6-2 |
|  |  |
USTA MAS B16 Chmp. #2 L1, March 24, 2007
 USTA MAS B18 Chmp. #2 L1, March 31, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Eric Shulman | + | 6-1; 6-3 | | 16 | Loss | Zachary Pine | | 6-4; 4-6; 6-2 | | 2 | Loss | Zachary Gorn | | 7-5; 6-4 |
|  |  |
USTA MAS B16 Chmp. #3 L1, June 16, 2007
 USTA National Opens, June 30, 2007
 USTA B18-16 Clay Court Chmps., July 15, 2007
 USTA BG16 Zonals - Winston-Salem, July 25, 2007
 USTA BG16 Intersectionals - Shreveport, July 25, 2007
 USTA B18-16 National Chmps., August 3, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 256 | Loss | Jason Magnes | 49 | 7-5; 6-4 | | 2 | Loss | Kyle Parker | | 6-1; 7-5 |
|  |  |
USTA MAS Chal. B18 #6 L2, August 25, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Brian Hope | 654 | 6-4; 6-0 | | 16 | Loss | Jan Stefanski | | 6-1; 6-1 |
|  |  |
USTA MAS B18 Challenger #7 L2, September 15, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Adam Goldberger | 1965 | 6-2; 6-2 | | 16 | Loss | Ian Fraser | | 7-5; 6-2 |
|  |  |
USTA MAS Championship #4 L1, October 13, 2007
 USTA MAS B18 Chmp. #4 L1, October 20, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Douglas Gallagher | | 6-1; 6-1 | | 16 | Loss | Sergio Wyss | | 6-3; 6-2 | | 2 | Win | Neil Soni | 352 | 6-1; 6-1 | | QQ | Loss | Jonathan Pine | | 6-4; 6-1 |
|  |  |
USTA National Open, November 22, 2007
 USTA MAS B18 Challenger #8 L2, December 8, 2007
 USTA BG18,16 Winter Chmps., December 27, 2007
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
| |  |  | |