Marin Cilic records 600th win of career with victory over Learner Tien in Dallas
Marin Cilic pulled off the first upset of this year’s Dallas Open on Tuesday afternoon, taking out No. 6 seed Learner Tien in the first round of the ATP 500 indoor event, 7-5, 7-6 (4). And with that, the 2014 US Open champion hit a big career milestone—it was the incredible 600th win of his …