Base Oostende beat Tartu Rock 92-82 in the last EuroChallenge Group G game on Tuesday.
Both sides finished 2-4 and missed out on advancing to the Top 16 with group rivals Virtus Bologna (5-1) and CSK-VVS Samara (3-3) instead reaching the next phase of the competition.
CSK-VVS Samara won a vital game at home against Base Oostende on Tuesday to stay in the hunt for a place in the Top 16 of the EuroChallenge.
The Russian team prevailed 86-72 in the Group G game to improve to 2-3 while dropping Oostende to 1-4.
Virtus Bologna won 87-76 at Base Oostende on Tuesday for their fourth successive triumph in EuroChallenge Group G.
Jamie Arnold led the way for Virtus with 22 points and 11 rebounds as they qualified for the next phase of the competition.
Janar Talts hit an important three-pointer late in the game to propel Tartu Rock to an 87-83 victory over Base Oostende in Estonia.
Talts struck with 1:07 remaining to give Rock an 84-81 lead and both Veselin Petrovic and Lionel Bosco missed shots for the Belgian opponents on their next possession.
Base BC Oostende
Address: Akkerhage 2, 9000 Gent
Tel: (32+9) 221 60 22;
Northlaan 13, 8400 Oostende, BEL
+32 (59) 51 26 27
+32 (59) 80 78 92
President: Arthur Goethals
General Manager: Marijke Schaepelinck