Sentence examples for playing field from inspiring English sources

The phrase "playing field" is correct and can be used in written English.
This phrase generally refers to an area used for playing sports, such as a soccer field or a baseball diamond. You can use this phrase in either a literal sense or as a metaphor to refer to a competitive environment, such as the business world. For example: "The new law is creating a much more level playing field, enabling smaller businesses to compete with larger companies."