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Ai Sugiyama
2008 Stats
| by CoreTennis | Wins | Losses | PCT | 6-0 | Tiebreakers Won | Tiebreakers Lost |
| Pro Record * | 20 | 16 | 0.556 | 2 | 5 | 5 |
* Sum of ATP Tour, Challenger and ITF events for men, WTA Tour and ITF events for women.
Tournaments Played
 | Jul 21 | TII | 1/8 | East West Bank Classic presented by Herbalife, Carson, CA |
| Jul 14 | TII | SF | Bank of the West Classic, Stanford, CA |
| Jun 23 | GS W | 1/16 | Wimbledon, Wimbledon |
| Jun 16 | TIII | 1/16 | Ordina Open, 's-Hertogenbosch |
| May 26 | GS W | 1/32 | French Open / Roland Garros, Paris |
| May 19 | TIII | QF | Internationaux de Strasbourg, Strasbourg |
| May 12 | TI | 1/32 | Internazionali BNL d'Italia, Rome |
| Apr 14 | TI | 1/16 | Family Circle Cup, Charleston, SC |
| Apr 07 | TII | 1/32 | Bausch & Lomb Championships, Amelia Island, FL |
| Mar 24 | TI | 1/8 | Sony Ericsson Open, Miami, FL |
| Mar 10 | TI | 1/16 | Pacific Life Open, Indian Wells, CA |
| Feb 25 | TII | [Q] | The Dubai Tennis Championships, Dubai |
| Feb 25 | TII | 1/16 | The Dubai Tennis Championships, Dubai |
| Feb 18 | TI | 1/8 | Qatar Total Open, Doha |
| Feb 11 | TII | 1/8 | Proximus Diamond Games, Antwerp |
| Jan 14 | GS W | 1/16 | Australian Open, Melbourne |
| Jan 07 | TII | [Q] | Medibank International, Sydney |
| Jan 01 | TIII | 1/16 | Mondial Australian Women's Hardcourts, Gold Coast |
| Oct 22 | TII | 1/8 | Generali Ladies Linz presented by Raiffeisenlandesbank Oberosterreich, Linz |
| Oct 13 | TI | [Q] | Zurich Open, Zurich |
| Oct 01 | TIII | 1/16 | Aig Japan Open Tennis Championships, Tokyo |
| Sep 24 | TIV | 1/16 | Hansol Korea Open Tennis Championship, Seoul |
| Aug 27 | GS W | 1/32 | US Open, New York, NY |
| Aug 20 | TII | 1/16 | Pilot Pen Tennis presented by Schick, New Haven, CT |
| Aug 13 | TI | 1/32 | Rogers Cup presented by American Express, Toronto |
| Aug 07 | TII | 1/16 | East West Bank Classic presented by Herbalife, Carson, CA |
| Jul 30 | TI | 1/8 | Acura Classic, San Diego, CA |
| Jul 23 | TII | 1/16 | Bank of the West Classic, Stanford, CA |
| Jun 25 | GS W | 1/16 | Wimbledon, Wimbledon |
| Jun 18 | TII | 1/16 | The Hastings Direct International Championships, Eastbourne |
| Jun 11 | TIII | 1/16 | DFS Classic, Birmingham |
| May 28 | GS W | 1/16 | French Open / Roland Garros, Paris |
| May 14 | TI | 1/16 | Internazionali BNL d'Italia, Rome |
| Mar 21 | TI | 1/16 | Sony Ericsson Open, Miami, FL |
| Mar 05 | TI | 1/8 | Pacific Life Open, Indian Wells, CA |
| Feb 26 | TII | 1/16 | Qatar Total Open, Doha |
| Feb 19 | TII | 1/8 | The Dubai Tennis Championships, Dubai |
| Jan 29 | TI | QF | Toray Pan Pacific Open, Tokyo |
| Jan 15 | GS W | 1/32 | Australian Open, Melbourne |
| Jan 08 | TII | 1/16 | Medibank International, Sydney |
| Jan 08 | TII | [Q] | Medibank International, Sydney |
| Jan 01 | TIII | 1/16 | Mondial Australian Women's Hardcourts, Gold Coast |
| Oct 30 | TIII | | Gaz de France Stars, Hasselt |
| Oct 23 | TII | | Generali Ladies Linz presented by Raiffeisenlandesbank Oberosterreich, Linz |
| Oct 16 | TI | | Zurich Open, Zurich |
| Oct 02 | TIII | QF | Aig Japan Open Tennis Championships, Tokyo |
| Sep 25 | TIV | Finals | Hansol Korea Open Tennis Championship, Seoul |
| Sep 18 | TII | QF | China Open, Beijing |
| Aug 28 | GS W | | US Open, New York, NY |
| Aug 07 | TII | | East West Bank Classic presented by Herbalife, Carson, CA |
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