Ethan Emi netted a hat-trick for Hampton Youth U7s on Sunday but could have had six - having hit the post three times.
Sam Dunne's double, plus further goals from George Curd and Matt Taylor, gave Hampton a 7-1 win at Manorcroft.
The U10 Youth became the first side to take a point off Cheam this season, drawing 2-2.
After Hampton fell behind, Henry Fuller equalised with a fine solo effort before setting up Freddie Kemm to put them in front.
But despite a great goalkeeping display from Mason Day, Cheam found a late equaliser.
Charlie Marcus saved two spot-kicks, but the U9 Blues still crashed out of the cup to AFC Walcountians on penalties following a 1-1 draw, in which Jack Winders notched.
The U9 Reds also crashed out, 3-0 at Carshalton, while the U8s lost their first-ever match 4-0 at Molesey, despite good displays by Harry Paterson and Sam PereiraBloomfield.
Leon Andoh's equaliser looked to have earned the U10 Manor side a draw with Esher, but four goals in the last 15 minutes saw them lose 5-1, and it could have ben worse but for William Page's penalty save.
Charlie Wiltshire's brace and a Bailey Griffiths strike put the U11s 3-1 up against Sheen, but they went on to lose 5-3.