| |  | 
  | |  |
 |  |  | | Tj Oosterbaan |  | | Residence: | Kalamazoo, MI |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Midwest B12 Closed Indoor Chmp., February 5, 2011
 Western Michigan Indoor BG12, February 18, 2011
 Midwest B12 Des. March Series, March 12, 2011
 Columbus Indoor, May 14, 2011
 Court One Memorial Classic, May 28, 2011
 WMTA Midwest Qualifier, June 10, 2011
 Midwest Closed BG14-12 Chmps., June 25, 2011
 The Rockford Jr. Open L6, July 12, 2011
 Midwest Open B14 Chmps., August 1, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Doug Francken | | 6-3; 6-0 | | 2 | Win | Brandon Ancona | + | 6-0; 6-1 | | 3Q | Win | Jeffrey Chen | 169 | 6-3; 7-5 | | 3 | Loss | Kevin Ballecer | | 6-1; 0-6; 1-0(7) |
|  |  |
USTA B12 National Chmps., August 7, 2011
 USTA Regional Tourn. (Kalamazoo), September 3, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Alex Ross | | 6-2; 6-1 | | 1 | Win | Jacob Edelchik | 27 | Wo (inj)WoJ* | | 2 | Loss | Robin Engel | | 6-1; 6-1 |
|  |  |
West Hills Jr. Open, September 16, 2011
 Aurora Boy's Challenger, October 8, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Win | Cuyler Burke | + | 7-6(8); 3-6; 6-2 | | 16 | Loss | Robin Engel | | 6-1; 6-2 | | 2 | Loss | Ishvdeep Sunny Singh | | 6-2; 6-2 |
|  |  |
YMCA Fall Jr. Open, October 14, 2011
 Midwest B14 Fall Closed Chmps., November 12, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Loss | Gianni Ross | 3 | 6-1; 6-0 | | 1 | Win | Jake Zalenski | | 7-5; 6-2 | | 2 | Loss | Wentong Zhang | | 6-4; 6-3 |
|  |  |
West Hills Winter Fest, December 9, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | Q | Win | John Page | | 6-2; 7-6(3) | | S | Win | Brij Banerji | | 6-3; 6-0 | | F | Win | Henry Hedeman | 392 | 7-6(3); 7-5 |
|  |  |
Midwest Winter Chmps., December 27, 2011
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Tyler Washington | | 4-6; 7-6(4); 6-3 | | 32 | Win | Yifei Li | 148 | 6-4; 6-3 | | 16 | Loss | David Horneffer | | 6-1; 6-0 | | 3 | Loss | Jack Collison | | 2-6; 6-2; 1-0(10) |
|  |  |
USTA/Midwest Jan. B14 Des. Series, January 7, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 64 | Win | Christian Ilitch | 1140 | Wd (inj)WJ* | | 32 | Loss | Jack Martin-Dyer | | 6-3; 6-1 | | 2 | Win | Nicholas Zazove | + | 5-7; 6-2; 1-0(6) | | 3Q | Win | Varun Shanker | 127 | 6-4; 6-2 | | 3 | Win | Doug Francken | + | 6-2; 6-2 | | QQ | Loss | JJ Wolf | | 6-3; 6-2 |
|  |  |
The Zoo Winter Challenge L6, January 13, 2012
 USTA Regional Tourn. (Dayton), January 21, 2012
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 32 | Loss | Palmer Clare | | 1-6; 6-3; 7-5 | | 1 | Loss | Jacob Wareti | | 6-3; 6-1 |
|  |  |
+ Strong win over an ineligible player. * The ranking calculation does not count this match.
| |  |  | |