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Jaan-Frederik Brunken
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| First name | Jaan-Frederik |
| Last name | Brunken |
| Birth date | 04-26-1990 (18 years old) |
| Category | ATP |
| Residence | |
| Nationality | Germany |
| Pro Ranking | 814 |
| Junior Ranking | 73 |
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2008 Stats
| by CoreTennis | Wins | Losses | PCT | 6-0 | Tiebreakers Won | Tiebreakers Lost |
| Pro Record * | 1 | 2 | 0.333 | 0 | 1 | 4 |
| Junior Record | 15 | 6 | 0.714 | 4 | 3 | 0 |
* Sum of ATP Tour, Challenger and ITF events for men, WTA Tour and ITF events for women.
Tournaments Played
 | Jun 01 | Boys 18 | 1/8 | French Open / Roland Garros, Paris |
| May 27 | Chall. | 1/16 | Karlsruhe Challenger, Karlsruhe |
| May 19 | Boys 18 | 1/8 | Trofeo Bonfiglio, Milano |
| May 12 | Mast. Srs | [Q] | Masters Series Hamburg, Hamburg |
| May 06 | Chall. | [Q] | Dresden Challenger, Dresden |
| Apr 21 | Boys 18 | 1/16 | Open International Juniors de Beaulieu sur Mer, Beaulieu Sur Mer |
| Apr 07 | Boys 18 | SF | Open Junior de Cap D'ail, Cap D'Ail |
| Feb 25 | Chall. | 1/8 | Wolfsburg Challenger, Wolfsburg |
| Jan 20 | Boys 18 | 1/8 | Australian Open, Melbourne |
| Jan 12 | Boys 18 | 1/16 | Optus Nottinghill International, Nottinghill |
| Jan 04 | Boys 18 | Finals | Loy Yang Power Traralgon International, Traralgon |
| Oct 15 | Fut. | QF | Germany F20 Futures, Isernhagen |
| Oct 08 | Fut. | 1/8 | Germany F19 Futures, Leimen |
| Sep 17 | Fut. | 1/8 | Germany F17 Futures, Nurnberg |
| Sep 02 | Boys 18 | 1/32 | US Open, New York, NY |
| Aug 27 | Boys 18 | 1/16 | Canadian Open Junior Championships, Montreal |
| Jul 23 | Boys 18 | QF | European Junior Championships, Gastein |
| Jul 17 | Boys 18 | Winner | Junior Open der Stadt Wels, Wels |
| Jul 10 | Boys 18 | 1/32 | German Junior Open, Essen |
| Jul 02 | Boys 18 | QF | Biesterbos Open, Castricum |
| Jun 19 | Boys 18 | 1/16 | Gerry Weber Open, Halle |
| Jun 12 | Boys 18 | SF | International Junior Tournament of Offenbach/Main, Offenbach/Main |
| Apr 04 | Boys 18 | 1/32 | City of Florence International Tournament, Florence |
| Mar 27 | Boys 18 | 1/8 | Perin Memorial, Umag |
| Feb 28 | Boys 18 | Finals | International Bavarian Junior Challenge, Nurnberg |
| Jan 22 | Boys 18 | 1/32 | DHL Cup / Czech International Junior Indoor Championships, Prerov |
| Jan 01 | Boys 18 | 1/16 | Coffee Bowl (Copa del Cafe), San Jose |
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