He took a positive first step with his 6-3 1-6 6-1 7-5 win over compatriot Haas on a sun-baked Grandstand court .
<response> He took a positive first step with his 6-3 1-6 6-1 7-5 win over compatriot <person>Haas</person> on a sun-baked <misc>Grandstand</misc> court . </response>