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 |  |  | | Jeffrey Mackenzie |  | | Residence: | Surfside, FL |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Lakeland Winter Sectional BG16, January 8, 2011
 USTA Regional Tourn., January 22, 2011
 Casely February Jr. Super Series, February 12, 2011
 Weston TC B16 Spring Sectional, March 5, 2011
 Young Guns Super Series, March 19, 2011
 Lee County CTA April Des. BG16, April 9, 2011
 ZMG @ Boca Super Series Chmp., April 16, 2011
 Super Series at Midtown AC, May 7, 2011
 USTA National Open, May 14, 2011
 Gulfstream Designated BG16, May 28, 2011
 USTA Florida Closed Sectional BG18-14, June 11, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Mario Becerra | | 6-7(4); 6-2; 6-2 | | 32 | Loss | Jack Haffey | 163 | 7-6(5); 6-1 | | 2 | Loss | Colin Roller | | Wo (inj)WoJ* |
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USTA National Open, July 2, 2011
 USTA Regional Tourn. (Ft. Myers), July 9, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Jack Haffey | 163 | 6-2; 7-5 | | 1 | Win | Spencer Heysek | 3386 | 6-3; 6-0 | | 2 | Win | Jayson Glickman | | Wo (inj)WoJ* | | 3Q | Loss | Ognjen Samardzic | | 6-1; 6-2 |
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USTA B18-16 National Clay Court Chmps., July 17, 2011
 USTA BG12 Zonals - Winston Salem, July 27, 2011
 USTA National BG18-16 Chmps., August 5, 2011
 Nunez Tennis Super Series, September 3, 2011
 Jacksonville B18 Designated, September 10, 2011
 USTA Regional Tourn. (Coral Gables), October 29, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Will Adams | | 7-5; 6-0 | | 1 | Win | Parker Cuevas-Woodall- | | 6-4; 4-6; 10-3 |
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Hallandale Fall Designated B18, November 5, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Colin Roller | | 6-1; 7-6(1) | | 1 | Loss | Dylan Gunning | | 6-3; 7-5 |
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USTA National Open, November 25, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Samuel Shropshire | | 6-0; 6-0 | | 1 | Loss | Max Vogt | | 6-1; 6-1 |
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Whispering Pines B18 Dec. Designated, December 3, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Ricky Symanski | + | 6-2; 3-6; 10-6 | | 16 | Loss | Miles Holvoet | | 6-4; 6-1 | | 2 | Loss | Gaston Murray | | 6-1; 6-0 |
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+ Strong win over an ineligible player. * The ranking calculation does not count this match.
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