"It was the last game for a few of the guys so it was a good way to end."
His side amassed 224 before being dismissed off the final ball of the innings.
Roebuck's younger brother Josh proved the mainstay, coming in at No6 and compiling an impressive 74 not out.
Opener Jack Stewart made 67 to set the WHS on the path.
In return, with only nine players on the card Saracens were always up against it and folded their tent on 108.
Stewart completed a grand day with three wickets while the Roebuck brothers took a pair each.
Other results:
Premier 2
Saracens 177-8 (A Spence 47, G Marshall 30) lost to Hunterville 178-2 (B Lewis 77 not out, S Kilmister 36, S Lambert 28).