Second seed Viktor Troicki of Serbia cruised into the quarterfinals of the Kremlin Cup in Moscow as he beat Spain’s Pere Riba 6-4, 6-4. Defending champion Troicki, who beat Marcos Baghdatis in last year’s final, will play American Alex Bogomolov Jr. next. Bogomolov ousted Mikhail Kukushkin of Russia 6-4, 3-6, [...]