Complex sentence: Daniela Di Toro and Aniek van Koot were the defending champions, however Di Toro chose not to compete this year, while van Koot partners with Jiske Griffioen.
Split into simpler sentences: Daniela Di Toro and Aniek van Koot were the defending champions. However Di Toro chose not to compete this year, while van Koot partnered with Jiske Griffioen.