This research focuses on the pass types of rotational and axial feed combinations in a proposed mandrel-less incremental forging. The proposed incremental forging has advantages in flexibility as a forming process compared to conventional forming processes to produce tubes with variable cross-sections. In the previous research, pass types of rotational feed without axial feed were compared, and the effective pass for reducing the outer diameter and for reducing the ovalization of the forged tube was clarified. In this research, finite element simulation was conducted and the forged shape was evaluated to compare the pass types of the combinations of rotational and axial feed: axial-level contouring pass, rotational-level contouring pass, and spiral pass. As a result, it is clarified that the spiral pass is effective for reducing the outer diameter and for reducing the cylindricity of the forged tube. The result applies to the production of a tube with reduced outer diameter in an axial length longer than the die width in the proposed incremental forging.