Alexander Zverev vs Raphael Collignon Prediction, Live Chat & Fan Vote

Alexander Zverev is expected to win against Raphael Collignon in the ATP Halle match. Zverev's strong serve and experience on grass courts give him an edge. Collignon, although talented, is less experienced on this surface. Zverev's home advantage also contributes to his favoritism. ```json {"winner":"Alexander Zverev","confidence":80,"key_factors":["home advantage", "experience on grass", "strong serve"]}