I have not been fortunate enough to see any in person. Would love to. But just wanted to add for anyone else that Michael Palin is an admirer[1] of Hammershøi. And he did a thoughtful documentary on him for BBC[2]. It's unofficially available, last I looked, and worth a watch.
[1] https://artsfile.ca/michael-palin/
[2] https://www.bbc.co.uk/programmes/b007ccc2