Complex sentence: Stéphane Houdet and Shingo Kunieda were the defending champions, however Houdet chose to partner with Michael Jeremiasz this year, while Kunieda teamed up with Nicolas Peifer.
Split into simpler sentences: Stéphane Houdet and Shingo Kunieda were the defending champions. However Houdet chose to partner with Michael Jeremiasz this year, while Kunieda teamed up with Nicolas Peifer.