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 |  |  | | Jai Yoon (USA) |  | | Residence: | Oakland Gardens, NY |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
ES SEG I CL#1 03, January 10, 2003
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Thomas Wolski | 249 | 766762 | | 1 | Win | Bobby Mactaggart | | 6263 | | 2 | Loss | George Laffey | | 755760 |
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ES SEGI CL#2 03, January 31, 2003
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Richard Bonfiglio | | 6363 | | 1 | Win | Thomas Tomczak | | 6363 | | 2 | Win | Chris Post | 205 | 633662 | | QQ | Win | Andrew Wang | 183 | 493 |
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ES SEG1CL#3 2/28, February 28, 2003
 ES SEGII CL#1 3/28, March 28, 2003
 ES SEG II CL#2 03, April 25, 2003
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Adam ElMihdawy | 24 | 6161 | | 1 | Loss | Bobby Mactaggart | | 54 R |
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ES SEG II CL#3 03, May 16, 2003
 USTA ZONE NTH 7/6/03, July 6, 2003
 USTA SN-CLAY 03, July 13, 2003
 ES SEG III CL#1 03, September 12, 2003
 ES SEG III CL#2 03, October 3, 2003
 ES SEG III CL#3 03, October 31, 2003
 USTA NO-NY 11/03, November 27, 2003

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