She said international efforts to coax the Islamic republic back to the table face a "decisive point" in September.

CNN: Germany warns Iran of sanctions

"It is clear to all concerned that when it comes to nuclear weapons, we have reached a decisive point, " he said.

WSJ: Obama Calls for Unity With Muslims

The Czech Republic, seeking a third consecutive title, lost 3-1 in Palermo as Roberta Vinci clinched the decisive point with a 6-3 6-7 (2-7) 6-3 win over Lucie Safarova.

CNN: No. 1 Djokovic takes Nadal's Monte Carlo crown