Beretta-Famila Schio trailed for most of the second half but claimed a late 68-67 win at Frisco Sika Brno on Wednesday evening.
Liron Cohen hit a go-ahead three-ball with 55 seconds to go that proved to be the last points of the game.
Brno's last chance was a Romana Hejdova attempt from the arc with one second to go but the shot stayed out.
The Italian giants improved to 4-2 in Group D with the win while Brno dropped to 1-5.
Cheryl Ford carried Brno for much of the game, scoring 23 points, corralling 12 rebounds and coming up with three steals.
France international Isabelle Yacoubou-Dehoui continued her fine play for Schio with 21 points - including nine in the pivotal fourth quarter.
Brno seemed to be moving towards victory at the start of the fourth quarter when Romana Stehlíková's jumper gave them a 62-49 lead.
A Cohen three-pointer triggered a 9-0 run for Schio, with Yacoubou contributing a pair of baskets.
With 2:01 to go, Brno were battling and Ford scored her last two points with a jumper for a 67-63 lead.
Laura Macchi replied with a lay-up before Cohen hit the shot from the arc that put the visitors in front to stay.
Jelena Skerovic had eight points and nine assists for Brno.
Schio were 14 of 15 (93.3%) at the free-throw line while Brno made eight of 13 (61.5%).