VAR came to the forefront of proceedings in the in Monday evening's clash between Mainz and Freiburg, as the referee awarded a penalty after the half time whistle.
Pablo De Blasis kept his cool from 12 yards to give Mainz the lead.
Pablo De Blasis stepped up to take the spot-kick for Mainz, beating Alexander Schwolow in the seventh minute of stoppage time to open the scoring for his side.
Referee Guido Winkman was forced to call the players back out onto the pitch after consulting the video assistant referee and determining a Freiburg player was guilty of handball in the box.
Daniel Brosinski tried his luck before halftime when his shot took a deflection off Freiburg defender Marc Oliver Kempf's hand.
"It leaves a bitter taste", Freiburg sporting director Jochen Saier told Eurosport at half-time.
In the dying seconds of the first half, Mainz had an appeal for handball turned down by referee Guido Winkmann, with the scores still at 0-0.
"We were under the impression that, when the referee blows for half-time, that's it".
Both sets of fans also hurled toilet rolls onto the pitch as a protest to moving the game to a Monday night.
Freiburg striker Tim Kleindienst nearly scored a spectacular own goal with his head but the crossbar came to his rescue in the 62nd minute.
Many German fans have opposed the introduction of Monday games, saying matches should be played on the weekend when most supporters can attend.
20 Premier League teams met last week and despite video technology being used at this summer's World Cup, decided against using it in England's top-flight next season.