Upvote:2
Following the suggestions in the comments, I found these images where infantry seem to be holding their own against cavalry.
This photo is from https://www.amnh.org/exhibitions/horse/how-we-shaped-horses-how-horses-shaped-us/warfare/riding-into-battles/
There's also this.
This photo is from http://slideplayer.com/slide/5353886/17/images/6/Asclepiodotus+(5.1):+The+Macedonian+bronze+shield+of+eight+palms%E2%80%99+width+and+not+too+concave+..jpg