While the German appears to be heading for his fourth win in the UAE capital , Willett was heading for the range to try to work out his woes with coach Mike Walker .
Kaymer bettered Willett by 18 strokes .
While the German appears to be heading for Kaymer 's fourth win in the UAE capital , Willett was heading for the range to try to work out his woes with coach Mike Walker .
Kaymer bettered Willett by 18 strokes .