| |  | 
  | |  |
 |  |  | | Gregory Sumen |  | | Residence: | Manhattan Beach, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Esme Pearson Memorial Jr. Open Tourn., May 19, 2012
 110th So. California Sectional Chmps., June 16, 2012
 Pacific TC Summer Jr. Open Tourn., July 16, 2012
 35th Lakewood Summer Jr. Tourn., August 4, 2012
 17th Annual Orange Co. TA Jr. Open Tourn, August 16, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Jacob Curtis | | 6-4; 6-4 |
|  |  |
Glendora Open Tourn., August 18, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Erik Martinez | | 5-7; 6-4; 7-6(2) |
|  |  |
28th Los Caballeros Jr. Open Tourn., September 8, 2012
 West Coast Tennis South Bay Fall Open, October 13, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Kent Hunter | 2437 | 7-5; 6-1 | | 32 | Loss | Justin Thompson | | 6-3; 6-2 |
|  |  |
21st Westcoast Winter Jr. Open/Sat., November 17, 2012
 Rancho Cienega Tennis Shop Jr. Open Tour, November 23, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Dylan Foster | | 6-4; 6-4 | | Q | Loss | Max Rothman | | 6-2; 6-4 |
|  |  |
49th Annual Anaheim Jr. Tourn., December 1, 2012
 62nd Gene Jung Whittier Midwinter Tourn., January 19, 2013
 68th Annual Fullerton Jr. Tourn., February 2, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Manhon Ko | | 6-1; 6-1 |
|  |  |
10th Annual Ramada Jr. Open Tourn., February 9, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Orlando Hurtado | | 6-1; 6-0 | | 32 | Loss | Linus Grasel | | 6-3; 7-6(4) |
|  |  |
4th Cerritos Reg. Park Open Tourn., February 16, 2013
 32nd Woody Hunt Mem. South Bay Tourn., February 23, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Ruthwick Pathireddy | | 6-1; 6-2 |
|  |  |
Desert Princess Spring Jr. Open Chmps., March 2, 2013
 56th Long Beach Jr. Tourn., March 9, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Alan Borghino | | 6-0; 6-0 | | 64 | Loss | Maximilian Hawkins | | 6-3; 7-5 |
|  |  |
35th Racquet Centre Spring Open, March 23, 2013
 97th Dudley Cup Jr. Tourn., March 30, 2013
 13th Manhattan Beach Open/Sat., April 19, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Ryan Lee | | 4-6; 6-3; 6-2 | | S | Win | Jack Pulliam | 1583 | 6-2; 6-3 | | F | Win | Ryan Chung | 1151 | 6-1; 6-2 |
|  |  |
113th Ojai Valley Jr. Tourn., April 25, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Jake Hoeger | | 6-3; 6-0 |
|  |  |
+ Strong win over an ineligible player.
| |  |  | |