Pushing single git commits

The push dialog seems to push every commit that hasn't been pushed yet. Is there any way to only push a single commit instead?

Let's assume I have two commits, both of them have not been pushed to origin. Now I want to push the first one to a remote master. What I want is the equivalent to 

git push origin HEAD~1:master

I would have expected to find this feature somewhere within "Version Control -> Log", but so far I haven't found a way to do this.