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 |  |  | | Lionel Kogan |  | | Residence: | Tampa, FL |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Fun & Sun Winter Sectional B12, January 17, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Breon Badger | | 6-1; 6-2 | | 1 | Loss | Raleigh Smith | | 6-4; 7-5 |
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2004 Longwood Super Series, January 31, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Piers Herfet-Jones | | 7-6(4); 6-4 | | Q | Win | Tigre Hank | + | 6-2; 7-5 | | S | Win | Daniel Barrus | + | 6-3; 6-4 | | F | Loss | Nathaniel Palombo | | 6-4; 6-4 |
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Orange County Winter Designated BG 12 &, February 7, 2004
 USTA National Opens - Columbus, GA, February 21, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Ethan Dunbar | | 6-1; 6-2 | | 32 | Loss | Jordan Cox | | 6-0; 6-0 | | 2 | Loss | Roger Briggs | | 6-3; 3-6; 10-8 |
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Cooper City Spring Sectional B12 - Coope, March 6, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Gonzales Austin | 47 | 6-2; 5-7; 6-3 | | 1 | Win | Geojun Wu | 259 | 5-7; 6-4; 6-4 | | 2 | Loss | Anthony Augustino | | 6-1; 4-6; 7-6(3) |
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Linder Jr Super Series - Lakeland, FL, March 20, 2004
 Sunshine Super Series - Casselberry, FL, March 27, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 16 | Win | Deren Goker | | 6-3; 6-1 | | Q | Win | Beau Treyz | | 6-0; 6-2 | | S | Win | Tom Blackwell | | 6-4; 6-7(4); 7-5 | | F | Win | Dylan Gust | | 6-0; 6-4 |
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YMCA Collier County April Designated BG, April 3, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Raleigh Smith | | 6-1; 6-1 | | 1 | Loss | Samuel Kornicks | | RI |
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Bath & Racquet Super Series - Sarasota,, April 9, 2004
 B12 National Spring Championships, April 18, 2004
 ATP (Gator Bowl) Junior Tennis Champions, May 1, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Ethan Dunbar | | 6-2; 6-0 | | 16 | Loss | Denis Kudla | 2 | 6-1; 6-2 | | 2 | Win | John Thornton | | WoI* | | CQ | Loss | Zach McCourt | 114 | WoE* |
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Train Smart Tennis Super Series - Tampa,, May 15, 2004
 2004 USTA National 12 Open, May 22, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Frederick Harris | + | 6-1;6-3 | | 32 | Win | Carl Eguez | 92 | 5-7;6-4;1-0[5} | | 16 | Loss | Michael Elortegui | 24 | 6-1;7-6(5) | | 3 | Win | Taylor Hardy | + | 6-4;5-7;1-0[8] | | QQ | Loss | Maks Gold | 41 | 6-2;2-6;1-0[2] |
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Gulfstream Designated BG12 - Pompano Bea, May 29, 2004
 USA Tennis Florida State Closed Sectiona, June 11, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Logan Shalmi | + | 6-7(4); 6-4; 6-3 | | 32 | Loss | Matthew Saltsgaver | | 6-2; 6-3 | | 2 | Win | Eric Peterson | | 6-3; 6-1 | | 3 | Win | Ryan Carrington | 57 | 6-0; 4-6; 6-3 | | CQ | Win | Tom Blackwell | | 6-3; 5-7; 7-5 | | CS | Loss | Kenneth Sabacinski | 54 | 7-5; 7-6(3) |
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Auburndale Jr Super Series - Auburndale,, June 26, 2004
 USTA National Opens - Little Rock, AR, July 3, 2004
 July Spectacular Super Series - Seminole, July 10, 2004
 USTA National Clay Court Chmps - Greensb, July 18, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Martin Grunin | + | 6-3; 2-6; 6-1 | | 64 | Loss | Robert Stineman | 34 | 3-6; 6-2; 6-1 | | 1-N | Loss | Campbell Johnson | | 7-6(5); 7-6(5) | | 1-NW | Win | Travis Neilson | 104 | 7-5; 7-5 | | Q-NW | Loss | Maks Gold | 41 | 6-4; 6-4 |
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1st Coast Tennis Foundation Designated -, August 14, 2004
 Southern Open B&G 12's Championships - D, August 21, 2004
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Jeffrey Holcombe | 555 | 7-5; 6-1 | | 32 | Win | Jeffrey Hirsh | | 6-4; 6-4 | | 16 | Win | Jon Robert Leonik | 143 | 6-3; 3-6; 7-5 | | Q | Loss | Dan Richardson | | 5-7; 6-3; 6-4 | | CQ | Loss | Jake Bowling | | WoI* |
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Orange County Fall Sectional BG12 - Orla, October 9, 2004
 Saddlebrook Super Series - Wesley Chapel, October 23, 2004
 North Miami Bch Boy's 12's Designated -, November 13, 2004
 USTA National Opens - Orlando, FL, November 25, 2004
 Eddie Herr International - 18 & Under, November 26, 2004
 Jr Orange Bowl 43rd Intl. Tennis Champs, December 14, 2004
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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