| Doubles | |
|---|---|
| 2003 Porsche Tennis Grand Prix | |
| Champions |  Lisa Raymond  Rennae Stubbs |
| Runners-up |  Cara Black Martina Navratilova |
| Score | 6–2, 6–4 |
Lindsay Davenport and Lisa Raymond were the defending champions, but Davenport did not compete this year in order to focus on the singles tournament.
Raymond teamed up with Rennae Stubbs and won the title by defeating Cara Black and Martina Navratilova 6–2, 6–4 in the final. [1]
Cara Black / Martina Navratilova (final) Lisa Raymond / Rennae Stubbs (champions)
Conchita Martínez / 
Paola Suárez (quarterfinals)
Liezel Huber / 
Magdalena Maleeva (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | C Black M Navratilova | 7 | 4 | 6 | |||||||||||||||||||||||
| WC |  A Mauresmo M Pierce | 5 | 6 | 2 | 1 | C Black M Navratilova | 6 | 6 | |||||||||||||||||||
| Q |  AL Grönefeld L Steinbach | 4 | 3 |  E Bovina  E Callens | 4 | 3 | |||||||||||||||||||||
| E Bovina E Callens | 6 | 6 | 1 | C Black M Navratilova | 77 | 6 | |||||||||||||||||||||
| 4 | L Huber M Maleeva | 6 | 63 | 6 | N Petrova M Shaughnessy | 64 | 4 | ||||||||||||||||||||
 D Hantuchová B Rittner | 1 | 77 | 1 | 4 | L Huber M Maleeva | 4 | 2 | ||||||||||||||||||||
| WC | A Myskina V Zvonareva | 4 | 3 | N Petrova M Shaughnessy | 6 | 6 | |||||||||||||||||||||
| N Petrova M Shaughnessy | 6 | 6 | 1 | C Black M Navratilova | 2 | 4 | |||||||||||||||||||||
M Bartoli  M Casanova | 77 | 6 | 2 | L Raymond R Stubbs | 6 | 6 | |||||||||||||||||||||
| LL | S Cohen-Aloro C Dhenin | 65 | 3 | M Bartoli M Casanova | 6 | 63 | 7 | ||||||||||||||||||||
 E Daniilidou  R Grande | 3 | 2 | 3 | C Martínez P Suárez | 3 | 77 | 5 | ||||||||||||||||||||
| 3 | C Martínez P Suárez | 6 | 6 | M Bartoli M Casanova | |||||||||||||||||||||||
 J Dokic  M Matevžič | 5 | 1 | 2 | L Raymond R Stubbs | w/o | ||||||||||||||||||||||
 B Schett P Schnyder | 7 | 6 | B Schett P Schnyder | 6 | 65 | 4 | |||||||||||||||||||||
| M Serna A Molik | 4 | 2 | 2 | L Raymond R Stubbs | 3 | 77 | 6 | ||||||||||||||||||||
| 2 | L Raymond R Stubbs | 6 | 6 | ||||||||||||||||||||||||
Tatiana Golovin and Richard Gasquet were the defending champions, but they chose not to participate together. The tournament was won by Daniela Hantuchová and Fabrice Santoro.
Cara Black and Rennae Stubbs were the defending champions, but did not play together. Stubbs partnered with Lisa Raymond but lost in the first round to Stéphanie Cohen-Aloro and Selima Sfar.
Leander Paes and Martina Navratilova were the defending champions but lost in the third round to Wayne and Cara Black.
Lindsay Davenport and Lisa Raymond were the defending champions but only Raymond competed that year with Martina Navratilova.
Lisa Raymond and Rennae Stubbs were the defending champions but they competed with different partners that year, Raymond with Lindsay Davenport and Stubbs with Elena Bovina.
Elena Bovina and Nenad Zimonjić won the title at the 2004 Australian Open, defeating the defending champions Martina Navratilova and Leander Paes in the final 6–1, 7–6(7–3).
Lindsay Davenport and Lisa Raymond were the defending champions but they competed with different partners in 2004, Davenport with Corina Morariu and Raymond with Martina Navratilova.
Cara Black and Wayne Black were the defending champions, but lost in semifinals to Lisa Raymond and Mike Bryan.
Rennae Stubbs and Todd Woodbridge were the defending champions, but lost in the first round to Martina Navratilova and Leander Paes.
Julie Halard-Decugis and Ai Sugiyama were the defending champions, but did not compete this year.
Martina Navratilova and Leander Paes defeated Eleni Daniilidou and Todd Woodbridge in the final, 6–4, 7–5 to win the mixed doubles tennis title at the 2003 Australian Open. It was Navratilova's first Australian Open mixed doubles title and eighth mixed doubles title overall, and the first Australian Open and second mixed doubles title for Paes. With the win, Navratilova became the fourth woman in history to complete the career Grand Slam in mixed doubles, and became only the third player in history to complete the "Boxed Set".
Nadia Petrova and Meghann Shaughnessy were the defending champions, but lost in quarterfinals to Lisa Raymond and Rennae Stubbs.
Liezel Huber and Magdalena Maleeva were the defending champions, but competed this year with different partners. Huber teamed up with Ai Sugiyama and were eliminated in quarterfinals, while Maleeva teamed up with Katarina Srebotnik and lost in first round.
Jana Novotná and Arantxa Sánchez Vicario were the defending champions, but lost in quarterfinals to Brenda Schultz-McCarthy and Rennae Stubbs.
Kim Clijsters and Ai Sugiyama were the defending champions, but Clijsters withdrew from the tournament due to a left ankle injury. Sugiyama teamed up with Liezel Huber and lost in the quarterfinals to Dinara Safina and Meghann Shaughnessy.
Lisa Raymond and Rennae Stubbs were the defending champions, but competed this year with different partners.
Cara Black and Rennae Stubbs were the defending champions, but lost in the first round to Elena Dementieva and Flavia Pennetta.
Li Ting and Sun Tiantian were the defending champions, but lost in the semifinals to Martina Navratilova and Lisa Raymond.
Martina Navratilova and Lisa Raymond were the defending champions from 2003, but Navratilova chose not to participate. Raymond successfully defended her title, playing alongside Alicia Molik.
The tournament wasn't played last year, no defending champions were declared. Martina Hingis and Anna Kournikova were the last champions at the 2000 edition, but none competed this year. Eventually, Hingis retired from professional tennis in February 2003, while Kournikova played her last professional match in April 2003, losing to Conchita Martínez at Charleston due to an injury.
Filderstadt, Doubles Final, Sunday: winning team's prize: $31,000 runners up: $16,500 s2 Lisa Raymond & Rennae Stubbs d s1 Cara Black & Martina Navratilova 6-2, 6-4