By how many kilometers?
Supposedly 11, though analysts repeatedly stress that this type of military conflict is always very slow. And over the last two weeks there were many times when it was 2-3 per day.
The Ukranian fortifications are extensive, frequently made of concrete and they have been putting them in beginning in 2014 for their fights with the separatists.
They refer to this as a war of “attrition”, not land accumulation. They want to kill the Azovs and they want to demilitarize in general. Lots of equipment and manpower destruction.