Complex sentence: In 2015, Mattek-Sands won the Australian Open and French Open women's doubles with Lucie Šafářová (Czech Republic), and the 2015 French Open Mixed doubles with partner Mike Bryan (United States).
Split into simpler sentences: In 2015, Mattek-Sands won the Australian Open and French Open women's doubles alongside Lucie Šafářová (Czech Republic). Matted-Sands also won the 2015 French Open Mixed doubles title with partner Mike Bryan (United States).