England beat Sri Lanka by 223 runs in the third and final one-day international at The Oval on September 27, sealing the three-match series 2-1.
England batted first and made 355 for 7 off 50 overs, built around a maiden ODI century from Tom Banton, who scored 126 off 105 balls.
Banton's innings included 16 fours and five sixes.
England captain Harry Brook added 77. Brook was dropped on 7 by Sri Lanka wicketkeeper Kusal Mendis, off the bowling of Dunith Wellalage.
Banton and Brook put on 150 for the third wicket off 117 balls.
Jordan Cox scored 76 off 52 balls, batting late in the innings.
Sri Lanka's Asitha Fernando took 3 for 64 off nine overs. Sachindu Colombage finished with 2 for 71 off ten overs.
Sri Lanka were bowled out for 132 in 29.1 overs in reply. Their captain, Charith Asalanka, was dismissed for 7.
Liam Dawson took 3 for 26 for England, dismissing Wellalage, Colombage and Fernando. Gus Atkinson also took three wickets in the innings.
Banton was named Player of the Match.
England had won the first ODI by 89 runs at the Riverside Ground, Chester-le-Street, before Sri Lanka won the second by 16 runs at Headingley to level the series 1-1. The result at The Oval leaves England winners of the series 2-1.