ISDC 2025 | Draw for Grand Final

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👏 Draw for Grand Final debates start at 19:15 (in Asia/Seoul)

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ISDC 2025 runs on Tabbycat 2.9.3-c (Ragdoll - Calico)

Tabbycat is an open-source project developed by volunteers and is free to use. For a tournament of this size, we suggest a donation of $14. Learn more about donating.

Still timing debates with the stopwatch app?

Using an app designed for debate timekeeping makes speaking and adjudicating easier! Check out Timekept (iPhone/iPad) or Debatekeeper (Android).

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