LONDON—Australia’s Matthew Ebden and Max Purcell prevented the Croatian duo of Mate Pavic and Nikola Mektic from winning back-to-back men’s doubles titles at Wimbledon with a 7–6(5) 6–7(3) 4–6 6–4 7–6(10–2) victory in the final on Saturday. It was a long and arduous journey to the final for the Australians, with five of their six…