Will Trex Fencing handle getting hit by a baseball?

Trex Fencing is a very durable fence and can handle the normal wear and tear that fences undergo, but there are of course limits to what any fence material can go through. A baseball traveling fast enough will leave a scuff or scratches, but it will perform better than most vinyl fences, which are notorious for cracking upon impact.

This is because Trex material is considerably thicker than most vinyl fencing, and the composite blend of Trex prevents the material from becoming brittle and weaker over time. 

Again, hit any fencing material hard enough and you're going to see some damage. But if you're looking for superior durability over most other fencing materials out there, then Trex is your best bet.