Keyword cannibalization will help you check which pages are displayed on Google for the same keywords. You’ll find this tool in the Tools module.
To run an analysis, choose a project and a period of time for comparison.
Congratulations, a report is ready :-)
Every keyword can be analyzed in detail. Just click Positions and you’ll get a thorough summary for the keyword you’re interested in. This way you’ll learn the rank of a given URL during individual days of a selected period of time. You’ll also be able to take a look at dates when the URL position’s changed. A similar report can be generated by going to Details.