DAN Rule scored a hat-trick of tries as Wheatley beat Harwell 38-5 in the first week of the BB&O Championship play-offs.
After every side had played each other twice, the league was split into two, with the top-five and bottom four going head-to-head until the end of the season.
Jack Taylor converted his own try before going over for a second to make it 12-0 after 20 minutes.
It was soon 24-0 as Dane Rule and Caillin Taylor crossed.
Jack Taylor converted both.
After the break, Rule dived over twice, with Jack Taylor once again adding the extras.
Harwell got on the scoreboard when Lewis Giddings, but Rule completed his hat-trick for Wheatley.
Jack Taylor converted to make it 38-5.
Elsewhere, Chipping Norton lost 26-24 to Berkshire Shire Hall.
In the Premier, Abingdon beat Phoenix 46-7, but Didcot suffered a 34-15 defeat at Crowthorne