A superb performance by Alexsei Shved propelled Russia to a convincing 101-78 victory over Croatia to reach the EuroBasket quarter-finals in Istanbul today.
Shved produced 27 points and 12 assists as Russia gradually moved clear after a tight opening 20 minutes.
They led 45-41 at the break before increasing their advantage at the Sinan Erdem Dome.
It sets up an intriguing quarter-final with Greece, who stunned Lithuania yesterday.
"It was a good game for us, not only by result, but also the way we executed what we wanted," said Russia coach Sergey Bazarevich.
"Okay, mistakes here and there - that's normal.
"But we were patient, we kept doing what we wanted and it gave us this result."
Defending champions Spain also progressed despite being given a scare by hosts Turkey.
The Spaniards constantly but were unable to open clear daylight against a determined host nation.
Fifteen points from Ricky Rubio proved key in a 73-56 victory.
It set up a quarter-final with Turkey.
Latvia thrashed Montenegro 100-68 in the opening last 16 match of the day.
Serbia also defeated Hungary 86-78.
They will now face Italy for a place in the semi-final and Latvia will meet Slovenia.
Matches are scheduled to take place on Tuesday and Wednesday (September 12 and 13).