The phrase "an initial victory at" is correct and usable in written English.
It can be used to describe a first success in a particular context or situation, often in competitive or strategic scenarios.
Example: "The team celebrated an initial victory at the regional championship, boosting their confidence for the upcoming matches."
Alternatives: "a preliminary win in" or "an early success at".
After an initial victory against Persian forces at the Battle of the Granicus, Alexander accepted the surrender of the Persian provincial capital and treasury of Sardis; he then proceeded along the Ionian coast.
On another front in the digital music struggle, the industry won at least an initial victory last week when a federal judge ruled that another online music database, MP3.com, had violated copyright law.
After an initial victory against Villagrán, Caupolicán suffered three disastrous routs at the hands of forces led by Don García Hurtado de Mendoza, losing more than 6,000 men in one of the defeats.
Twenty-seven moves later, shortly before halftime, Mr. Kasparov scored an initial victory for humanity.
Opponents of Uefa's financial fair play rules are claiming an initial victory against the regulations after a court ruling.
Musicians, singers and record companies seeking more radio royalties won an initial victory in Congress on Thursday.
Climate scientist Michael Mann of Pennsylvania State University, University Park, has won an initial victory in his legal battle against a group trying to force the release of his e-mail correspondence while a professor at the University of Virginia in Charlottesville.
Ever since Eldrick "Tiger Woodss' remarkable initial victory at the Masters, social media has been abuzz while desperately searching for a racial label to impose on him.
After his initial victories at Abensberg and Landshut, Napoleon concentrated the bulk of his army, including Nansouty's men, at Eckmühl, where Davout was waiting.
After initial victories at the Battle of Racławice (April 4), the capture of Warsaw (April 18) and the Wilno (April 22 the Uprising was crushed when the forces of Russia, Austria and Prussia joined in a military intervention.
