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 |  |  | | Mark Semerik |  | | Residence: | Brooklyn, NY |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
L1 Armonk Tennis Spring Chmps., May 18, 2012
 L1 Atlantic Beach June Chmps., June 8, 2012
 L1B Tiger Tennis June Challenger, June 25, 2012
 L1 LBTC June Chmps., June 29, 2012
 L1 Adv. Tennis Strategies Cedarbrook Sum, July 6, 2012
 L1 Roser Tennis Academy Chmps., July 16, 2012
 L1 Port Washington Summer Classic, July 20, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Alexis Cai | 2230 | 6-4; 6-2 |
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L1 North Shore Tower CC July Chmps., July 24, 2012
 L1B Hardscrabble Summer Challenger, July 27, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | F | Loss | Ben Grossman | 3319 | 6-1; 7-6(3) |
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L1 Fairview July Chmps., July 30, 2012
 L1 Huntington August Chmps., August 3, 2012
 L1B ATS Summer Challenger, August 13, 2012
 L1 Dan Dwyer Memorial Chmps., August 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Dilan Gupta | 688 | 6-3; 6-1 |
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L1 Hardscrabble August Chmp., August 31, 2012
 L1 Point Set September Chmps., September 21, 2012
 L1 Mendham Eastern Des. B18, September 28, 2012
 L1B Long Beach October Challenger, October 19, 2012
 L1 LBTC November Chmps., November 16, 2012
 L1B NCT Thanksgiving Classic Challenger, November 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | F | Loss | Henry Tell | 1996 | 6-0; 6-0 |
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L1B Westfield Indoor Tennis Thanksgiving, November 23, 2012
 L1 Eastern AC November Chmps., November 30, 2012
 L1 RSTA December Chmps., December 7, 2012
 L1B Sportime Bethpage Challenger, December 14, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Edan Sossen | 1069 | 6-1; 6-0 |
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L1B World Gym Setauket Dec. Chal., December 24, 2012
 L1 John McEnroe TA Holiday Chmps., December 27, 2012
 L1 Point Set Eastern Des. B18, January 11, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Neal Port | 893 | 6-1; 6-0 |
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L1B Cunningham Park Jan. Challenger, January 18, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Palmer Clare | 2026 | 0-6; 6-1; 10-5 |
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L1 Eastern Des. Sportsplex Des. Closed, January 26, 2013
 L1B Centercourt Mt. Olive Classic, February 2, 2013
 L1B Centercourt Mt. Olive Feb. Classic, February 23, 2013
 L1 Mt. Lakes Eastern B18 Des. Closed, March 1, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Peter Wylie | 2052 | 6-1; 6-3 |
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L1 Point Set Eastern Des. B18, March 15, 2013
 L1B Sportime @ Hi March Chal., March 22, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Loss | Sam Gray | 2913 | 6-0; 6-0 |
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L1 Port Washington Spring Classic, March 25, 2013
 L1 John McEnroe TA Spring Break Classic, March 28, 2013
 * The ranking calculation does not count this match.
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