Complex sentence: After starting 2015 with Dominic Inglot and reaching two finals, his injury plagued British partner needed time to recover, which gave way to the formation of his partnership with Rohan Bopanna, whom he had played with successfully at the Shanghai Masters the previous season.
Split into simpler sentences: After starting 2015 with Dominic Inglot and reaching two finals, his injury plagued British partner needed time to recover. This gave way to the formation of his partnership with Rohan Bopanna, whom he had played with successfully at the Shanghai Masters the previous season.