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 |  |  | | Gregory Sumen |  | | Residence: | Manhattan Beach, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
110th So. California Sectional Chmps., June 16, 2012
 Pacific TC Summer Jr. Open Tourn., July 16, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Alexander Loh | 1137 | 1-6; 6-4; 6-1 |
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35th Lakewood Summer Jr. Tourn., August 4, 2012
 17th Annual Orange Co. TA Jr. Open Tourn, August 16, 2012
 Glendora Open Tourn., August 18, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Erik Martinez | 1430 | 5-7; 6-4; 7-6(2) |
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28th Los Caballeros Jr. Open Tourn., September 8, 2012
 West Coast Tennis South Bay Fall Open, October 13, 2012
 21st Westcoast Winter Jr. Open/Sat., November 17, 2012
 Rancho Cienega Tennis Shop Jr. Open Tour, November 23, 2012
 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 | 1067 | 6-1; 6-1 |
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10th Annual Ramada Jr. Open Tourn., February 9, 2013
 4th Cerritos Reg. Park Open Tourn., February 16, 2013
 32nd Woody Hunt Mem. South Bay Tourn., February 23, 2013
 Desert Princess Spring Jr. Open Chmps., March 2, 2013
 56th Long Beach Jr. Tourn., March 9, 2013
 35th Racquet Centre Spring Open, March 23, 2013
 97th Dudley Cup Jr. Tourn., March 30, 2013
 13th Manhattan Beach Open/Sat., April 19, 2013
 113th Ojai Valley Jr. Tourn., April 25, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Jake Hoeger | 876 | 6-3; 6-0 |
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Esme Pearson Memorial Open Tourn., May 18, 2013
 98th Santa Barbara Summer Jr. Tourn., June 1, 2013

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