Welcome to the 2026 Graph Drawing Challenge online submission system!
In this challenge, you will minimize the maximum number of crossings on any edge of a graph drawn with straight-lines on a grid. A more complete description is available at the challenge description. You can either participate in the manual category (using the provided tool, remote participation possible), or in the automatic category (use any software you want, open to remote participants as well).
The live challenge will during the Graph Drawing conference, August 20th, 2026, 16:30-18:00 (ET/UTC-4).
If you wish to participate, please sign in at the top right. After signing in, you can go to the team page to enter your team name and participants.
You can download the input graphs on the problems page, solve them on the tool page, and submit your solutions on the submission page. Finally, you can check out how you are doing on the live scoreboard.
Good luck!