The SMB vs. Wal00gi battle in Super Smash Bros. Ultimate took place on Sep 15, 2019 as a part of the Glitch 7 Singles tournament. This confrontation belongs to the Pool H2.
The results of the confrontation are as follows:
Sep 15, 2019: SMB 2 - 1 Wal00gi
The SMB vs. Wal00gi — Sep 15, 2019 battle recording stream you can watch in the VODs section