| |  | 
  | |  |
 |  |  | | John Michael Holtmann |  | | Residence: | Coral Gables, FL |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Dorothy Forman Mem. Local Tourn. L7, May 19, 2012
 Gulfstream Designated B14, May 26, 2012
 USTA FL Closed Sectional BG18-14, June 9, 2012
 North Shore Super Series, June 16, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Mwendwa Mbithi | | 6-3; 6-0 |
|  |  |
USTA National Open, July 2, 2012
 USTA Regional Tourn. (Pelham), July 7, 2012
 USTA B14 National Clay Court Chmps., July 15, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Win | Matthew Jacobs | 89 | 6-3; 6-2 | | 64 | Loss | Abhin Sharma | | 6-0; 6-0 | | 1-N | Loss | Andre Johnson | | 6-1; 6-3 | | 1-NW | Loss | Mitchell Ostrovsky | 127 | 5-7; 6-3; 15-13 |
|  |  |
North Florida Designated BG18-12, July 21, 2012
 Royal Palm August Designated B14, August 11, 2012
 USTA Regional Tourn. (Delray Beach), September 1, 2012
 Jacksonville B14 Designated, September 8, 2012
 Seminole Co. Fall Sectional BG14,G16, October 6, 2012
 USTA Regional Tourn. (Coral Gables), October 27, 2012
 Bill Clark Fall Designated B14 L5, November 3, 2012
 USTA National Open, November 23, 2012
 Serendipity April BG14 Designated, April 27, 2013
 USTA National Open, May 11, 2013
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
| |  |  | |