BK Ventspils trailed but went on a game-changing run that bridged the third and fourth quarters and beat Atomerömü SE.
In the EuroChallenge Group D game, Ventspils won 69-56 to leave both sides with 1-1 records.
Jahmar Young finished with a game-high 23 points for the Latvian club while for the losing side, Donald Cole scored 19.
The situation didn't look good for Ventspils three minutes into the second half as they stared at a 40-34 deficit.
Steven Gray and Janis Strelnieks buried jump shots to close the gap to two and after the latter made one of two free-throws, Young hit four consecutive jumpers to give the hosts a 47-40 advantage at the end of the third quarter.
Gray capped the 15-0 run with another jump shot at the start of the fourth quarter.
Five unanswered points by Cole, the last three at the charity stripe, brought the visitors to within 52-50 but Young steadied the home side's nerves with a three-ball and they pulled away for a 13-point victory.
Atomerömü SE hurt their cause with 19 turnovers.
Young tormented them on defense as well because he had six of Ventspils' 10 steals.
Atomeromu SE Head Coach Peter Volgyi
"I think this was a good game. In the second half the home team was better defensively. EuroChallenge games are good for our team, because the speed in these games is much faster than in our home league games and this helps to improve our game. Our shooting percentage could have been much better."
BK Ventspils Head Coach Gundars Vetra
"I am happy to win such games. In the second half we got better defensively and by the end we already had the feeling that we can win. Offensively some things did not work out because we made mistakes and the oponents took advantage of it, but there were also other technical things that we have to improve. At the beginning we were playing like run and score, but by the end it changed."
Atomeromu SE player Donald Cole
"It was a good game. Of course we hate to lose. Towards the end of the game we had a chance to win, but we did not use it. Now we have to get back to the gym and prepare for other games and get over it."
BK Ventspils player Janis Strelnieks
"Today's game was emotional and tough for me. It was not easy to play. This was BK Ventspils' first experiance with an Hungarian team. The main thing in the game was defense. Today at the second half we managed to fulfil almost everything we planned, by the end of the game we scored all the important shots. We almost fulfilled the plan of the coach."