Rivas Ecopolis won a thriller at home over Bourges Basket in their Round 2 opener on Tuesday night.
Asjha Jones had 16 points, including four late free-throws, as the Spanish club prevailed 65-59.
In a tight game from start to finish, Bourges got a jumper from Jennifer Digbeu and a three-ball from Catherine Joens to knot the contest at 59-59 with 18 seconds to go.
Rivas called a timeout and when play resumed, Elisa Aguilar drew a foul from Emmeline Ndongue and sank two free-throws.
Bourges coach Valerie Garnier then decided to call a timeout and got the ball to Digbeu but her lay-up stayed out and Jones rebounded before being fouled by Ndongue.
Jones sank two free-throws to push the Rivas lead to 63-59.
Celine Dumerc attempted a long-range shot for Bourges and Jones drew another foul and sank both free-throws for the 65-59 final.
Rivas were sensational at the line, sinking 19 of 21 on the night.
Amaya Valdemoro, playing for the first time since suffering two wrist fractures, had 14 points on three of six shooting.
She was a perfect seven of seven at the line.
Bourges were led by Stella Kaltsidou's game-high 17 points.