| |  | 
  | |  |
 |  |  | | William Semble |  | | Residence: | New City, NY |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
L1B Mt. Lakes June Challenger, June 22, 2012
 L1 Courtsense @ BRC July Chmps., July 27, 2012
 L1B Sportime Amagansett Aug. Challenger, August 2, 2012
 L1 West Rock September Chmps., September 14, 2012
 L1B West Rock Fall Challenger, September 28, 2012
 L1B West Rock Fall Challenger, October 5, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Jonathan Lee | 2565 | Wd (inj)WJ* |
|  |  |
L1B Sportime Harbor Isl. Nov. Challenger, November 9, 2012
 L1 Courtsense @ BRC, November 16, 2012
 L1B West Rock Thanksgiving Classic, November 23, 2012
 L1 West Rock December Chmps., December 7, 2012
 L1 Armonk Indoor Winter Chmps., December 27, 2012
 L1B Hardscrabble Chal., January 11, 2013
 L1 West Rock Jan. Chmps., January 25, 2013
 L1B Sportime Lake Isle Feb. Chal., February 1, 2013
 L1B Armonk Indoor Feb. Challenger, February 15, 2013
 L1B West Rock March Chal., March 1, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Marcos Eslava | 1967 | 4-6; 6-1; 10-8 |
|  |  |
L1B Sportime Lake Isle Spring Chal., March 15, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Sean Wei | 1125 | 6-3; 6-1 |
|  |  |
L1B Hardscrabble March Challenger, March 22, 2013
 L1 John McEnroe TA Spring Break Classic, March 28, 2013
 Section 1 Boys High School Sectionals, May 13, 2013
 L1B Rockland Co. Spring Challenger, May 18, 2013
 * The ranking calculation does not count this match.
| |  |  | |