Confused - Please stop chasing this man. It's just making him feel important. It's making him feel as though you need something from him, it's making him feel in control.
My dd is now 5 and hasn't seen her dad since she was 2 weeks old. In fact, the other day he walked right by me and dd without saying a word (although he did give dd a very sad, lingering stare). We live in the same town. DD didn't know who he was. I felt sick. She had just walked by her father and hadn't realised. He was just another pedestrian in her eyes.
Anyway, i also would wish my daughter had a relationship with her father. But i want him to want a relationship with her, not be forced into one.
Despite his lack of interest in his daughter, i've fought hard over the years for him to provide financially. He now has a detachment of earnings order via CSA due to his failure to voluntarily contribute anything.
Please, please, please ensure you contact CSA to get onto this man.
And then focus on your own well being.
So long as you're a happy and confident single parent, your daughter will not miss out.