The Dutch tennis players Robin Haase (35) and Matwé Middelkoop (39) have reached the second round of the men’s doubles at the Australian Open after a tough fight. The seasoned duo, Haase is 35 and Middelkoop already 39, had their hands full against the Spaniard Roberto Carballes Baena and the Bolivian Hugo Dellien: 7-5, 7-5.