Complex sentence: She then played at the Pan Pacific Open, where she successfully defended her title by defeating Carla Suarez Navarro, Katerina Siniakova, Dominika Cibulkova, Garbiñe Muguruza and Anastasia Pavlyuchenkova.
Split into simpler sentences: She then played at the Pan Pacific Open as the defending champion. She successfully defended her title by defeating Carla Suarez Navarro, Katerina Siniakova, Dominika Cibulkova, Garbine Muguruza and Anastasia Pavlyuchenkova.