Community counterplay
Sidestep note
As Yoshimitsu against Shaheen, sidestep right against 4,3 (Hallux Kick > High Slashing Kick), then punish with SS2.
Source: YouTube: All Strings you can sidestep against Shaheen
These notes are public community matchup references. Verify details after Tekken 8 patches.
Related answers
As Yoshimitsu against Shaheen, sidestep right against f+2,4,4 (Silent Flow), then punish with kincho B2 1.
Source: YouTube: All Strings you can sidestep against Shaheen
As Yoshimitsu against Shaheen, sidewalk right against FC.df+4,1 (Serpens), then punish with DF2.
Source: YouTube: All Strings you can sidestep against Shaheen
As Yoshimitsu against Shaheen, punish df+3+4 (Stealth Step) with Flash Nss Fiash or B2 2.
Source: YouTube: Yoshimitsu Full Punishment Guide against Shaheen.
As Yoshimitsu against Shaheen, punish 1,2,2 (Spica Gut Punch) with 2 2.
Source: YouTube: Yoshimitsu Full Punishment Guide against Shaheen.
As Yoshimitsu against Shaheen, punish 4 (Hallux Kick) with 11.
Source: YouTube: Yoshimitsu Full Punishment Guide against Shaheen.