Vitaliy Fridzon scored 18 points and Russia beat Angola 80-65 on Friday to advance to the semifinals in the Olympic basketball qualifying tournament.
Alexander Kaun added 17 points for Russia, which will face Nigeria on Saturday. Nigeria beat Greece 80-79, with Ade Dagunduro scoring the last five points, including two free throws in the final 3 seconds. Ike Diogu led Nigeria with 17 points, and Dagunduro had 14. Vasileios Spanoulis had 25 for Greece.
The Dominican Republic will play Lithuania in the other semifinal.
The top three teams in the tournament will fill the final berths for the London Olympics. The semifinal losers will play Sunday for the final spot.
The Dominican Republic upset Macedonia 86-76, and Lithuania beat Puerto Rico 76-72.
Francisco Garcia scored 28 points to lead the Dominican Republic, and Lester McCalebb had 35 for Macedonia.
Linas Kleiza and Mantas Kalnietis each had 14 for Lithuania, and Sarunas Jasikevicius added 11. Alex Galindo led Puerto Rico with 17.