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 |  |  | | William Koehrsen |  | | Residence: | East Peoria, IL |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Wisconsin BG14 Indoor Chmps., February 12, 2010
 Score March Open L6, March 19, 2010
 NW Florida Local Spring Chmps., April 3, 2010
 CTRC Spring Jr. Tennis Open, May 7, 2010
 Pie Seifert Memorial Open, May 29, 2010
 MITA Closed Midwest Qualifier, June 5, 2010
 Midwest Closed BG14,12 Chmp., June 26, 2010
 Midwest Open Chmps. B14, July 11, 2010
 84th National Public Parks Tennis Chmps., August 2, 2010
 Fighting Illini Winter Jr. Open, December 10, 2010
 John F. Hennessey Open, December 27, 2010
 + Strong win over an ineligible player.
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