| |  | 
  | |  |
 |  |  | | Marco Barretto |  | | Residence: | Tiburon, CA |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Spare Time Clubs Memorial Day Jr. Excell, May 19, 2012
 Marin Memorial Day Challenger, May 26, 2012
 Future Stars 2000's Sacramento Open, June 2, 2012
 NORCAL BG16 Sectional Chmps., June 9, 2012
 USTA Regional Tourn. (Sacramento), July 7, 2012
 City of Oakland Jr. Open, July 30, 2012
 Seascape Labor 3-Day Open, September 1, 2012
 Courtside Jr. Chmps., September 15, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Corey Pang | 366 | 6-1; 6-1 |
|  |  |
Meadowbrook Jr. Chmps., September 29, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Lance Ngo | 1112 | 7-6; 6-2 |
|  |  |
Stockton Jr. Excellence, October 13, 2012
 USTA Regional Tourn. (Seascape), October 27, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Joe Rivera | | 6-2; 6-3 | | 1 | Loss | Petar Jivkov | 716 | 6-2; 6-0 |
|  |  |
Legler-Roberts Tennis Chmps., November 3, 2012
 Marin Veterans Day Jr. Open, November 10, 2012
 De Anza Jr. Open, December 1, 2012
 SSRC Jr. Excellence, January 12, 2013
 Johnson Ranch Jr. Chmps., February 9, 2013
 Spare Time Clubs Jr. Chmps., March 16, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Edward Ang | 242 | 6-0; 6-3 |
|  |  |
Rollingwood Jr. Open, March 23, 2013
 The Easter Bowl ITF Tennis Chmps., April 8, 2013
 Diamond Hills Jr. Chmps., April 13, 2013
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Jonathan Li | 319 | 6-2; 6-1 |
|  |  |
Marin Spring Classic Jr Open, April 20, 2013
 Rio Del Oro Jr. Chmps., April 27, 2013
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
| |  |  | |