On Monday, Union Saint-Gilloise beat KV Oostende 3-0 in the 18th round of the Jupiler Pro League. In their final match of the year, Union confirmed their second place in the Belgian first division league table.
Six days after beating KV Oostende to make the quarter-finals of the Croky Cup, Union Saint-Gilloise once again dispatched the Flemish side on Monday with a 3-0 win.
Playing at home this time round, the Brussels club had to wait until after half-time to take the lead, when their captain Teddy Teuma converted a penalty in the 51st minute.
A little over 10 minutes afterwards, Victor Boniface found Simon Adingra to put the ball into Oostende's empty net.
Before the final whistle, they were treated to a third and final goal in the final seconds of injury time, when star striker Dante Vanzeir volleyed the ball to make it 3-0.
Union Saint-Gilloise remain second in the Belgian Pro League table, 7 points behind league leaders Genk, who lost 1-0 against Kortrijk on Monday.
However, the capital's club will now have to contend with growing criticism over their decision to play their Europa League round-of-16 match at their local rivals Anderlecht's home stadium.
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Due to their own stadium in the Brussels municipal of Forest not meeting UEFA's standards, Union had played their Europa League group matches at OHL Leuven's stadium in Flanders.
As a result, the Brussels side wanted to pick a stadium closer to their home ground in the Belgian capital and reached an agreement to play their knockout round matches at the Lotto Arena.
This decision has drawn the ire of the side's largest supporter group Union Bhoys who has announced their plan to boycott the match being played at their local rivals' stadium.