Nordic Darts Masters: Luke Humphries and Jonny Clayton reach quarter-finals after last-leg shootouts; Luke Littler also advances

Luke Humphries and Jonny Clayton pushed all the way before winning last-leg shootouts to reach quarter-finals of Nordic Darts Masters; an under-par Luke Littler also advances; Saturdays last-eight fixtures include Humphries vs Gerwyn Price and Littler vs Nathan Aspinall