Share 'One hand topspin backhand'

I've never had a good offensive backhand - the two-hander was always awkward and ineffective, so I mastered a slice. This is useful for rallies, but worthless as any offensive tactic.   I've finally started to develop a topspin one-hander, but I need to work on consistency. I'll hit a few shots with good pace and spin and I'll feel like Federer, then I'll clunk one into the bottom of the net or i…