Polish team Energa Czarni made an upset against Unics Kazan as they will have 14 point advantage in the second leg in Kazan.
Triumph Lyubertsy brought Nenad Krstic from NBA but they were unable to win against Belgian side Oostende.
The second leg will be played next Tuesday.
Siauliai 73-73 Galatasaray
MyGuide Amsterdam 66-60 FMP Zeleznik
Energa Czarni 76-62 Unics Kazan
Allianz Swans 86-64 Tartu Rock
Panellinios 69-54 Telekom Baskets
Oostende 78-78 Triumph Lyubertsy
ASK Riga 69-62 Cholet Basket
* click on the result to see full boxscore.