Couple of videos.

https://www.youtube.com/watch?v=c_IIHlFOEiI
https://www.youtube.com/watch?v=O8RWLxlzTiM
https://www.youtube.com/watch?v=j3J-10KfRe8

From these videos it seems to me that a swordsman is in a great disadvantage against a spearman unless he has a shield. Add a shield and it will change everything. On the other hand, the spearman has no shield in these videos, I wonder how much that would change the outcome.