| |  | 
  | |  |
 |  |  | | Yaron Steinfeld |  | | Residence: | Washington, DC |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA MAS B16 Chal. #1 L2, January 6, 2007
 USTA MAS B16 Chal. #2 L2, February 9, 2007
 USTA MAS B16 Challenger #3, March 3, 2007
 Raintree TC Classic L3, April 13, 2007
 USTA MAS B16 Chal. #4, April 21, 2007
 USTA BG16 National Opens, May 19, 2007
 Georgetown Prep BG18-12 Open L3, June 1, 2007
 RPM Sports Jr. Open L4, June 26, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | George Branche | + | 6-4; 7-6 | | Q | Win | William Young | | 6-1; 6-1 | | S | Loss | Brian Roberts | | 6-4; 6-4 |
|  |  |
District Of Columbia Jr. Open L3, July 12, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Adam Miller | | 6-3; 6-2 | | 16 | Loss | John Kelly | | 6-1; 6-1 |
|  |  |
Dominion Club Jr. Open L4, August 31, 2007
 USTA MAS B16 Challenger #7 L2, September 8, 2007
 Potomac Jr. Open #10 L5, October 5, 2007
 Kingstowne Jr. Open #4 L5, October 12, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Sam Shroder | | 6-1; 6-1 | | Q | Win | Sam Datta | | 7-6(7-0); 6-3 | | S | Win | Drew Shrum | | 6-2; 6-3 | | F | Win | Patrick Melbourne | | 6-2; 7-6(7-3) |
|  |  |
USTA MAS B18 Challenger #8 L2, December 8, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Harsha Rao | 269 | 7-5; 5-7; 10-5 | | 32 | Win | Tonique Merrell | | 6-3; 6-4 | | 16 | Loss | Jonathan Pine | | 6-3; 7-5 |
|  |  |
Bob Wolf Memorial Classic L3, December 26, 2007
 + Strong win over an ineligible player.
| |  |  | |