ADO '20 will beat Excelsior Maassluis in the 1st Preliminary Round of the Eurojackpot KNVB Beker on September 1, 2026, at Sportpark De Vlotter. The win will send ADO '20 through and will knock Excelsior Maassluis out at the opening cup hurdle. The tie will break a four‑match history that currently…