IG-86 Sentinel Droid vs B-X Series Commando Droid

Standard gear for both; takes place in a warehouse with a mix of open spaces and enclosed areas. They start 100 meters apart on opposite ends of the building.

R1: 1v1
R2: 3v3 if it makes a difference

Strengths and weaknesses for both droids?

Note: IG-86 droids are seen in TCW and are different from the one unique IG-88.

The ones that didn't get stomped by Captain Rex.