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Shuichi Sekiguchi
2008 Stats
| by CoreTennis | Wins | Losses | PCT | 6-0 | Tiebreakers Won | Tiebreakers Lost |
| Junior Record | 22 | 16 | 0.579 | 5 | 2 | 1 |
Tournaments Played
 | Nov 17 | Chall. | [Q] | Yokohama Challenger, Yokohama |
| Oct 27 | B18 GB1 | QF | Asian/Oceania Closed Championships, Balikpapan |
| Oct 20 | B18 G2 | Winner | ITF/LTAT Junior Championships, Nonthaburi |
| Oct 06 | B18 GA | SF | Osaka Mayor's Cup - World Super Junior Tennis Championships, Osaka |
| Sep 30 | B18 | 1/16 | China Junior II, Huzhou |
| Sep 23 | B18 G2 | 1/16 | China Junior I, Beijing |
| Jun 25 | B18 | 1/16 | Tournoi International Junior de la Ville de Tunis, Tunis |
| Jun 17 | B18 G1 | 1/16 | Mediterranee Avenir, Casablanca |
| Jun 09 | B18 G2 | 1/8 | Raquette D'Or, Mohammedia |
| Apr 07 | B18 GB1 | QF | Asian Closed Junior Tennis Championships, Indore |
| Mar 31 | B18 G1 | 1/32 | Japan Open Junior Championships, Nagoya |
| Mar 25 | B18 G1 | 1/8 | Mitsubishi-Lancer International Juniors Championships, Manila |
| Mar 18 | B18 G1 | 1/16 | Chief Minister's Cup ITF Malaysian World Junior Tennis Championships, Sarawak |
| Feb 25 | B18 G2 | 1/16 | Uruguay Bowl, Punta del Este |
| Feb 18 | G18 G2 | 1/8 | Argentina Cup, Mar Del Plata |
| Feb 11 | B18 G2 | 1/32 | Copa Milo, Santiago |
| Feb 04 | B18 G2 | 1/8 | Condor de Plata Tournament, La Paz |
| Jan 28 | B18 G2 | 1/16 | Torneo Internacional Inka Bowl, La Molina Lima |
| Oct 22 | Fut. | [Q] | Japan F11 Futures, Tokyo |
| Oct 08 | B18 | 1/32 | Osaka Mayor's Cup - World Super Junior Tennis Championships, Osaka |
| Jul 17 | B18 | 1/16 | Northern Territory ITF, Darwin |
| Jul 11 | B18 | QF | Darwin ITF, Darwin |
| Jun 19 | B18 | [Q] | Mediterranee Avenir, Casablanca |
| Jun 19 | B18 | 1/16 | Mediterranee Avenir, Casablanca |
| Jun 11 | B18 | [Q] | Raquette D'Or, Mohammedia |
| Jun 11 | B18 | 1/8 | Raquette D'Or, Mohammedia |
| Jun 04 | B18 | SF | Riad 21, Rabat |
| May 28 | B18 | Winner | RUC Tennis International Junior Open, Casablanca |
| Apr 02 | B18 | 1/16 | Japan Open Junior Championships, Nagoya |
| Feb 12 | B18 | SF | Wellington 18 & U Summer Championships, Wellington |
| Feb 05 | B18 | 1/16 | Sunsmart 18 and Under Canterbury Championships, Christchurch |
| Jan 10 | B18 | 1/16 | ITF Saitama Junior Tennis, Saitama |
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