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 |  |  | | Stephen Gruppuso |  | | Residence: | Bayport, NY |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
L1 Eastern B12 Des. Closed Chmps., January 8, 2010
 L1B LBTC Challenger, January 29, 2010
 L1 Port Washington Winter Classic Chmps., February 5, 2010
 L1 Eastern B12 Des. Closed Chmps., February 12, 2010
 L1B Sportime Massapequa Presidential Cla, February 19, 2010
 L1 Eastern B12 Des. Closed Chmps., February 26, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Ryan Goetz | | Wd (emerg)WI* |
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L1B Thomas Blake Summer Chal., June 17, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Loss | Jason Cai | 1112 | 6-2; 6-4 |
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L1 BJK NTC Chmps., July 9, 2010
 L1 Port Washington Summer Classic, July 23, 2010
 L1B Rye Racquet Challenger, August 2, 2010
 L1B Bayport Blue Pt. Challenger, August 13, 2010
 Angela Maria Lopera Classic, October 16, 2010
 L1 Solaris Thanksgiving Chmps., November 26, 2010
 L1 Sportime RI Chmps., December 3, 2010
 L1B World Gym Setauket Challenger, December 26, 2010
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Connor Jeran | | Wd (inj)WJ* | | Q | Loss | Benjamin Mermelstein | | 3-6; 7-6; 10-3 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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