From an official Tweet:
Duelists, mark your calendars for the Ignition Assault Sneak Peek: January 25-26, 2020! #YuGiOh pic.twitter.com/P2IzmYzNmm
— Yu-Gi-Oh! TCG (@YuGiOh_TCG) November 4, 2019
For those that can’t see, January 25th to 26th 2020 will be when the Ignition Assault Sneak Peek will be held.