Bristleback vs Tiny
Quick answer
Tiny has the edge over Bristleback in Dota 2, winning +3.6% more often head-to-head.

Bristleback
-3.6% vs Tiny
No spell in Bristleback's kit is a specific answer to Tiny; any edge here comes from results, not a hard counter.
All counters to Tiny
Tiny
+6.3% vs Bristleback · Soft edge
No spell in Tiny's kit is a specific answer to Bristleback; any edge here comes from results, not a hard counter.
All counters to BristlebackHead-to-head figures are public-match results; a spell answer only counts as a proven counter once it also wins clearly.
Try it in the live drafter