If you want to draw this out manually on a blank sheet to make it look pretty, here is the logic of how the 20 teams are seeded.
Excel doesn’t include a native 20‑team bracket. You’ll need to either build from scratch (takes ~20‑30 minutes) or download a user‑made template. Some free templates online are poorly aligned or have broken formulas. 20 team single elimination bracket excel
With 19 total matches (20‑team single elim = 19 games), fitting all rounds cleanly on one screen can be tricky. Byes create empty spaces that confuse non‑Excel users. You may need to hide rows/columns or use grouping. If you want to draw this out manually
Use the Draw Border tool to create the lines that connect winners from one round to the next. Some free templates online are poorly aligned or
Here is an example of what the 20-team single-elimination bracket might look like:
To make the bracket fair, the top 8 seeds usually get the byes.