| |  | 
  | |  |
 |  |  | | M. Mackenzie McDonald |  | | Residence: | Piedmont, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
53 Trofeo Bonfiglio, May 21, 2012
 Roland Garros Junior French Championship, June 3, 2012
 AEGON Junior International Roehampton, June 24, 2012
 The Junior Championships, Wimbledon, June 30, 2012
 USTA B18 National Team Chmps, July 28, 2012
 USTA National B18-16 Chmps., August 3, 2012
 U.S. Open Jr. Tennis Chmps., August 31, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Hyeon Chung | | 6-3; 3-6; 6-0 |
|  |  |
XXVI Yucatan Cup, November 19, 2012
 Eddie Herr International Junior Tennis C, November 26, 2012
 Orange Bowl International Tennis Champio, December 3, 2012
 AGL Loy Yang Traralgon International, January 12, 2013
 Australian Open Junior Championships, January 19, 2013
 33rd Asuncion Bowl, March 4, 2013
 43rd Banana Bowl, March 11, 2013
 30th Copa Gerdau, March 18, 2013
 USTA International Spring Chmps., March 30, 2013
 The Easter Bowl ITF Tennis Chmps., April 8, 2013
 + Strong win over an ineligible player.
| |  |  | |