Well, your link says Ukraine 143 square MILES, Russia 331
If you have trouble calculating, try this link
https://www.google.com/search?q=square+miles+to+km
If you have trouble calculating, try this link
https://www.google.com/search?q=square+miles+to+km
From the start of the year. This presumably includes the "capture" of Bakhmut, the last significant Russian advance. Since the start of the counteroffensive in mid-2023 the gains have been mostly one way.
So let's try again:
According to New York Times (famous for its pro-Russia stance) since Ukraine counteroffensive started, Russia took 860 square kilometers, and
Ukraine took 370 square kilometers.
Ukraine took 370 square kilometers.
Not true, is it?