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 |  |  | | Kosuke Hasegawa |  | | Residence: | Wesley Chapel, FL |
| Birthplace: | Unknown | | Birthdate: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Gainesville Super Series, January 5, 2008
 Lakeland BG16 Winter Sectional, January 12, 2008
 Tennis Plaza Cup, January 19, 2008
 Seminole Co. Winter Des. BG16, February 2, 2008
 USTA National Opens, February 16, 2008
 Winter Classic Super Series, February 23, 2008
 Weston TC B16 Spring Sectional, March 1, 2008
 Austin BG18,16 SCMZ, March 14, 2008
 The Naples TC Des. BG16, April 5, 2008
 Houston Coca Cola SCMZ, April 18, 2008
 Dallas TA SC MZ BG18-16, May 9, 2008
 USTA BG16 National Opens, May 17, 2008
 USTA Florida Closed Sectional BG18-14, June 7, 2008
 Harbor Hills Jr. Super Series, June 14, 2008
 Texas Open BG16 Chmps., June 21, 2008
 USTA National Opens, June 28, 2008
 Alamo City SC MZ BG18,16, July 2, 2008
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Joe Hill | 799 | Wd (emerg)WI* |
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Burger King Southern Open BG16 Chmps., July 6, 2008
 USTA B18,16 National Clay Court Chmps., July 13, 2008
 North Florida Designated BG18-12, July 19, 2008
 USTA Zonals BG16 - Winston-Salem, July 23, 2008
 USTA National Chmps., August 1, 2008
 Arlington TC BG18,16 SCMZ, August 15, 2008
 Bob Faulkner BG18-16 SC MZ, October 3, 2008
 Seminole Co. Fall Sectional BG18,B16, October 11, 2008
 El Paso Youth Tennis Centre ITF Tourname, October 20, 2008
 Bryan College Station SCMZ, November 14, 2008
 USTA National Open, November 27, 2008
 Cotton Bowl SCMZ BG18-16, December 5, 2008
 USTA National Winter Chmps., December 27, 2008
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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