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 |  |  | | Isaac Stein (USA) |  | | Residence: | Kalamazoo, MI |
| Birthplace: | Unknown | | Age: | Unknown | | Height: | Unknown | | Plays: | Unknown | | Coaching: | Unknown |  | | Complete Bio | |
Midwest B18 Des. January Series, January 13, 2007
 Midwest B18 Winter Chmps., January 20, 2007
 Midwest B18 Closed Indoor Chmp., February 3, 2007
 USTA National Opens, February 17, 2007
 USTA Spring BG18 National Chmps., March 11, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Nicolas Meister | 44 | 6-2; 6-4 | | 1 | Win | Gentry Kaegi | + | 6-2; 6-1 | | 2 | Loss | Varun Pandit | | 6-3; 6-1 |
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USTA BG18 National Opens, May 19, 2007
 WMTA Midwest Qualifier, June 7, 2007
 Midwest Junior Davis Cup, June 15, 2007
 Midwest Closed BG18,16 Chmp., June 23, 2007
  |  |  Rnd |  Result |  Opponent |  Rank |  Score | | 128 | Loss | Peter Dunn | 658 | 5-7; 4-0 | | 1 | Loss | Austin Taylor | | 15-0Wo (inj)WoJ* |
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USTA National Opens, June 30, 2007
 St. Louis Jr. Tennis Chmps., July 8, 2007
 USTA B18-16 National Chmps., August 3, 2007
 + Strong win over an ineligible player. * The ranking calculation does not count this match.
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