The phrase "a ongoing battle with" is not correct.
It should be "an ongoing battle with." You can use it when discussing a continuous struggle or conflict, often in a metaphorical sense, such as personal challenges or societal issues.
Example: "She has been facing an ongoing battle with anxiety for many years."
Alternatives: "a continuous struggle with" or "a persistent fight against."
She reran in her mind a long series of unpleasant incidents that had dogged her 26 years at the institute --from the big fight for a little lab space to an ongoing battle with male professors over ownership of an undergraduate course she had developed.
Rousseau, who lived in Newbury Park, California, has left a wife and stepson to deal with an ongoing battle with Wells Fargo, according to a lawsuit filed in January 2011 by Norman and his wife, Oriane (h/t Alternet).
Miss Weaver wrote in a post on Reddit: "I'm in an ongoing battle with Facebook's ad department over the definition of a tampon as a health product as opposed to, say, a dildo.
Kalanick resigned from Uber after facing a lawsuit with Waymo over trade secrets, an ongoing battle with existing shareholders Benchmark Capital, and the fallout from a harassment probe led by former attorney general Eric Holder.
Ultimately, Lyft's goal is to make the passenger experience better and more efficient by reducing the number of detours, which is a smart move given that Lyft is in an ongoing battle with Uber to be the best ride-hailing service.
In the sequel, the children have adopted a zoo within 60 pages before tumbling headlong into circus training and football, ghosts, exorcisms and an ongoing battle with fiendish policeman Inspector Cuthbertson and a priest who isn't all that he seems.
Fighting nefarious activity online is an ongoing battle, with new enemies popping up at a rate that only mathematics and computing power can enable.
Qualcomm is a major chip producer but now finds itself locked in an ongoing battle with one of the largest mobile device makers in the world.
What with a mishandled outbreak of bird flu earlier in the year, and an ongoing battle with the unions over privatisation, Mr Thaksin has found himself uncharacteristically on the defensive.
"It was just an ongoing battle with myself," recalled Ms. Grove, of Woodbury, Minn.
