How to export your match history from duels.ink
If you have a duels.ink account, here's how to grab the CSV this tool needs:
On duels.ink, click your profile avatar (top right). A dropdown appears with a Match History link.
Click Match History from the dropdown. You can also reach it from Account โ scroll to the Match History panel at the bottom and click View Full Match History.
On the Stats & Match History page, click the Export button in the top right.
In the Export Game History dialog, set the queues and date range you want and click Download CSV. Then drop that file in the box above.
You can re-export at any time โ every download is a fresh snapshot of the games on your account.