Cornwall made history as they got their first ever home victory in Betfred League One.
An Errol Carter brace helped give Cornwall a 25-0 lead at half-time.
Skolars struck back with two tries, but Cameron Brown’s try was enough to stop any hope of a comeback.
Harry Aaronson added a final score during the history making 35-10 win.
Dewsbury continued their dominance at the top of League One with an away win.
Owen Restall scored a hat-trick as Liam Finn’s side defeated Rochdale 52-4.
The victory sees the Rams continue their 100% record with a fourth league victory.
Workington edged out Midlands Hurrcanes in an entertaining game in Birmingham.
Town winger, Sean Sabutey scored five tries during the success, which was enough to see the visitors return to Cumbria with the two league points.
Zac Baker opened the scoring for Oldham in their travel to North Wales.
The Roughyeds added two further tries, including one from Logan Astley before the hour mark.
Rob Massam scored a consolation try two minutes from the end. The try was Massam’s 200th of his career.
Round Four Results:
- Cornwall 35-10 London Skolars
- North Wales Crusaders 4-18 Oldham
- Midlands Hurricanes 28-38 Workington Town
- Rochdale Hornets 4-52 Dewsbury Rams