The striker kept up the pressure on the players currently occupying the attacking berths in Jürgen Klopp's senior team as he struck twice in yet another victory for Michael Beale's side.
Trent Alexander-Arnold was also on the scoresheet, helping the young Reds to a win that takes them up to third place in Premier League 2.
Ings was the main outlet for the hosts in the first half, and went close after ten minutes when he produced a fine flick around the corner in the box to work space but saw a shot smartly saved.
The opening 45 saw few chances after that early flurry, however, with Sunderland consistently finding the defensive answers when put under pressure by the Reds.