Roelant Oltmans the latest hockey coach to depart with unfinished business. Sharing the group lead with Ireland before the game, Serbia went top outright after victory in Belgrade while its rival was held to a 1-1 draw at Georgia. ’Two early breaks in the third and Thiem made sure he would be able to celebrate his 24th birthday on Sunday with a win to extend his domination over the Frenchman to 6-0. Wales remained in contention after beating Austria in Cardiff and trails Ireland by two points. ildcard Thanasi Kokkinakis at Miami OpenYellow or green: Roger Federer’s comment on tennis balls’ colour adds fuel to fireThis was Roger Federer at his hard-to-beat best, a performance so unlike the pair of uncomfortable five-setters he labored through to begin the U. Nadal was hanging by his teeth, facing two break points in the fourth game of the second set. Despite its fourth draw in the campaign, Georgia is out of contention with four points. After its second home loss in the hexagonal, the U. Omar Gonzalez and Matt Besler are center back options, Eric Lichaj could start at right back, and Kellyn Acosta could be inserted to give the U. Mayer briefly threatened a comeback when he pulled a break back for 5-3 in the fourth set but Nadal served it out at 5-4 with Mayer sending a forehand long on match point.