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 |  |  | | Michael Sienko |  | | Residence: | Williamston, MI |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA Regional Tourn. (Kalamazoo), September 3, 2011
 Aurora Boy's Challenger, October 8, 2011
 Midwest B16 Fall Closed Chmps., November 12, 2011
 Midwest Designated December Series B16, December 10, 2011
 MAC Holiday Challenger L6, December 16, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | Robert Lamond | | 6-0; 6-0 | | S | Loss | Andy Struble | | 7-5; 7-5 |
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Midwest Winter Chmps., December 27, 2011
 USTA/Midwest Jan. Des. B16, January 14, 2012
 USTA/Midwest B16 Indoor Closed, February 18, 2012
 USTA/Midwest B16 March Designated, March 10, 2012
 USTA/Midwest Section B18-16 L5, March 24, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Zachary Phillips | | 6-4; 3-6; 10-7 | | 1 | Win | Hans Lee | | 6-2; 6-1 | | 2 | Win | Jad Abdul-Aal | 1060 | 6-2; 6-3 | | QQ | Win | Gunnar Peery | | 6-3; 6-2 | | CQ | Loss | Matthew Hamilton | | 6-0; 5-7; 10-6 |
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USTA/Midwest Section B18-16 L5 Tourn., April 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Garrett Mandrell | | Wo (inj)WoJ* | | 16 | Loss | Michael Dube | 157 | 6-4; 6-2 | | 2 | Win | Paul Heeder | | 6-3; 7-6(2) | | QQ | Win | Max Shanbrom | | 6-0; 6-2 | | CQ | Loss | Kristoff Saari | | 6-2; 6-4 |
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Sports Club West Bloomfield Spring Blast, May 18, 2012
 USTA/Midwest L3 Memorial Day, May 26, 2012
 WMTA Midwest Qualifier, June 8, 2012
 USTA/Midwest BG18-16 Closed Chmps., June 23, 2012
 USTA National Open, July 2, 2012
 USTA Regional Tourn. (Elm Grove), July 7, 2012
 USTA B18,16 National Clay Court Chmps., July 15, 2012
 USTA/Midwest B18 Open Chmp., July 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Colin Harvey | 340 | 6-4; 7-6(2) | | 1 | Win | Andrew Komarov | 1592 | 6-1; 6-2 | | 2 | Win | Daniel Albert | | 6-1; 6-2 | | 3Q | Win | Grant Thompson | | 6-4; 6-3 | | 3 | Win | Mark Kite | | 6-1; 6-3 | | 4Q | Win | Eric Pontow | | 6-1; 6-4 | | 4 | Loss | Michael Savaglio | | 6-4; 6-4 |
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USTA/Midwest BG18-12 L4, August 4, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Connor Sacks | 1835 | 6-0; 6-0 | | 64 | Win | Canyon Teague | | 2-6; 6-4; 10-8 | | 32 | Win | Brandon Griffin | | 6-3; 6-4 | | 16 | Win | Matthew McCoy | + | 6-4; 6-1 | | Q | Win | Jack Petersen | 395 | 6-0; 6-1 | | S | Loss | Michael Savaglio | | 7-5; 6-4 | | PL | Win | William Koehrsen | 415 | 6-1; 6-3 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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