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 |  |  | | Ama Osei |  | | Residence: | Lanham, MD |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA MAS G16 Challenger #1, January 2, 2009
 USTA MAS G18 Challenger #1, January 9, 2009
 USTA MAS G16 Chmp. #1 L1, January 17, 2009
 USTA MAS G16 Challenger #2, February 20, 2009
 USTA MAS G16 Chal. #3 L2, February 27, 2009
 USTA MAS G18 Challenger #3, March 7, 2009
 USTA MAS G16 Chmp. #2 L1, March 21, 2009
 USTA MAS G18 Chmp. #2 L1, March 27, 2009
 USTA MAS G18 Chal. #4 L2, April 25, 2009
 USTA MAS G18 Chal. #5 L2, May 23, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Julia Eager | | 6-1; 6-1 | | 16 | Loss | Julie Vrabel | 90 | 6-0; 6-0 |
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USTA MAS G18 Chmp. #3 L1, June 13, 2009
 VBTPA Satellite VBTCC #3 L3, June 26, 2009
 USTA National Opens, July 4, 2009
 USTA G16 National Clay Court Chmps., July 19, 2009
 USTA MAS G18 Chal. #6 L2, August 22, 2009
 USTA MAS G18 Challenger #7 L2, September 12, 2009
 USTA MAS G18 Chmp. #4 L1, October 17, 2009
 USTA National Open, November 26, 2009
 USTA MAS G18 Challenger #8 L2, December 5, 2009
 * The ranking calculation does not count this match.
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