Estonia dominated throughout and ultimately beat Group D tailenders Andorra 2-0, with Henri Anier and Joel Lindpere their marksmen.
Basle maintained the pressure on Young Boys after easing to a 2-0 win over Bellinzona, while St. Gallen are fourth after beating Neuchatel Xamax.
Young Boys made it 15 wins from 21 games with a 2-1 victory at St. Gallen, while third-placed Lucerne were 2-1 winners against struggling Bellinzona.
