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 |  |  | | M. Mackenzie McDonald |  | | Residence: | Piedmont, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
USTA National Winter Chmps., December 27, 2008
 18th Jr. Solano Open, January 17, 2009
 Lafayette Tennis Club Open & Nov., January 31, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Mark Meyer | | 6-1; 6-1 | | 16 | Win | Daniel Deuel | 2388 | 6-0; 6-2 | | Q | Win | Evan Dankiewicz | | 6-2; 6-3 | | S | Win | Wyatt Brown | | 6-1; 6-2 | | F | Win | Brian Sun | 315 | 7-5; 6-2 |
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USTA National Opens, February 14, 2009
 Johnson Ranch BG18-10 Chmps., February 28, 2009
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Andrew Amor | 1108 | 6-0; 6-2 | | 32 | Win | Deepak Sabada | 313 | 6-2; 6-3 | | 16 | Loss | Michael Kuhlman | | Wd (emerg)WI* |
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Modesto Jr. Chmps., March 14, 2009
 USTA International Spring Chmps., April 6, 2009
 The Easter Bowl Spring Nat'l, April 12, 2009
 NORCAL BG18-16 Sectional Chmps., June 13, 2009
 USTA National Opens, July 4, 2009
 USTA B18-16 National Clay Court Chmps., July 19, 2009
 Carmel Valley AC Fall Jr. Chmps., September 4, 2009
 Mike Agassi's No Quit Chmps., September 19, 2009
 Dunlop Jr. Chmps., October 10, 2009
 El Paso Youth Tennis Centre ITF Tourname, October 19, 2009
 Evert American ITF Junior Circuit, November 9, 2009
 USTA National Open, November 26, 2009
 * The ranking calculation does not count this match.
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