The phrase "after a showdown in" is correct and usable in written English.
It can be used to describe a situation or event that follows a confrontation or conflict in a specific location.
Example: "The team regrouped after a showdown in the championship game, determined to improve for next season."
Alternatives: "following a clash in" or "after a confrontation in".
The latter now controls the Gaza Strip after a showdown in June with Mr Abbas's Fatah party and protested against the Annapolis summit.
After a showdown in a Manhattan hotel room, Gatsby and Daisy jump in Gatsby's car and Daisy, who is behind the wheel, runs down a pedestrian, who just happens to be her husband's lover, driving back to Long Island.
After a showdown in May, the province of Ajaria returned to the fold.One of Russia's foremost TV presenters was sacked from his weekly news programme on the NTV channel after a row over the screening of an interview with the widow of a leading Chechen separatist.
Its failure to do so led to a showdown in 2011, after the UN Educational, Scientific and Cultural Organization (UNESCO) admitted the Palestinians as a member.
There is a showdown in which the hole cards are shown after the fourth and last betting interval.
Immediately after the Preakness, Desormeaux was touting Casino Drive and looking ahead to a showdown in the Belmont.
A showdown in Washington, DC is inevitable.
I also ran into my pal, Scott C., who drew us having a showdown in my copy of Famous Showdowns.
But the bald, Cockney-accented Kaye, who is known to be just as prickly and unpredictable as his subject matter (he disowned "American History X" and accused its star, Ed Norton, of trying to "take it over"), was missing in action by Day 4. On Day 3, Kaye had stormed out after a Jerry showdown-line showhich, in which Brando had banished a member of Kaye's entourage from the "set".
Sweeping US surveillance powers used by the National Security Agency expired at midnight after a dramatic showdown in the Senate.
