'RHOA' Star Peter Thomas Bar 'Fight' Video ... I Hardly Touched the Guy!!

EXCLUSIVE

'RHOA' star Peter Thomas denies hitting a bar patron so hard the guy smashed his head, and TMZ has the video that could clear Peter's name.

We obtained surveillance video from inside Sports One -- Peter's bar in Charlotte -- where a guy named Brandon Link claims Peter pushed him into a table and he fell over and hit his head.

The security cameras definitely captured a dispute between Link and Thomas, and there is a shove. The injured head part -- is not so clear. In fact, it's non-existent in the video.

As we've reported ... Link filed a police report, claiming battery, and cops have issued a criminal summons for Thomas to talk to investigators. 

Thomas maintains Link hit his head on ice in the bar parking lot. We're told there's no surveillance footage in the parking lot.