The phrase "a dramatic winner in" is correct and usable in written English.
It can be used to describe someone or something that has achieved a significant victory or success in a particular context, often with an element of excitement or intensity.
Example: "The film was a dramatic winner in the Best Picture category at the awards ceremony."
Alternatives: "an impressive victor in" or "a thrilling champion in".
N'Zogbia then struck a dramatic winner in the 94th minute, sealing a 3-2 victory which confirmed West Ham's relegation and kept Wigan's survival hopes alive by drawing them level on points with Blackpool and Birmingham ahead of next Sunday's final round of fixtures.
Brad Jones dedicated his role in Liverpool's win at Blackburn Rovers to his late son, Luca, having been propelled into Kenny Dalglish's team for the FA Cup semi-final against Everton at Wembley on a remarkable night at Ewood Park that saw Andy Carroll score a dramatic winner in stoppage time.
He scored a dramatic winner in the corresponding fixture last season.
Ashley Yeoman headed the visitors level, before Howe smashed home a dramatic winner in the 89th minute.
Bryan Ruiz scored a dramatic winner in the third minute of injury time as Fulham beat Reading to end a run of three successive Championship defeats.
Charlie Daniels thought he had claimed a dramatic winner in stoppage time but his effort was correctly ruled out for a handball by Steve Cook.
At the 2012 Olympics in London, she scored a dramatic winner against Canada in the semi-finals.
But it wasn't enough for City, and Berisha was on hand to score a dramatic winner for Victory in the dying moments.
Ben Heneghan scored a dramatic winner to give Chester victory in a thrilling Conference derby against Wrexham.
And just as the game looked to slip away from Celtic, Edouard stayed composed to volley in a dramatic winner.
James Collins struck a dramatic winner as Shrewsbury Town scored twice in added time to come from behind to beat Carlisle and move top of League Two.
