who was never soled?

[xcoyote]

Sasuke has never lost a 1v1

Rock Lee soloed him.

 

[pateuvasiliu]

Itachi if you don't count Sasuke's fight with him. (Itachi obviously could've 1 shotted him at any moment)

Itachi was solo'd by ninja aids.

 

[TheEvilOne]

Sasuke has never lost a 1v1

Mei soloed him. Zetsu saved him in the last moment.

 

[Rainbow Dash]

Kabuto was soloed by asspull no jutsu.

 

[Unorthodox]

Rock Lee soloed him.

forgot about tha lmfao