The final double-header of UEFA World Cup qualifiers begins on Thursday, with Cristiano Ronaldo's Portugal among those in action as they look to regain top spot in their group away to the Republic of Ireland.

Spain also still have work to do to guarantee their place in Qatar, but Germany host Liechtenstein safe in the knowledge that their tickets are already booked.

South America qualifying also continues, including Brazil taking on Colombia, and below is Sports Mole's selection of predictions and previews for Thursday and Friday.