Surrey are unbeaten in the Twenty20 Cup

Last year's champions were so confident of holding the match they began selling tickets last week.

Elsewhere in the tournament, Essex visit Leicestershire, Glamorgan host Warwickshire and Hampshire have a home tie against Lancashire.

The winners go through to a single day of semi-finals and finals, to be held at Edgbaston on 7 August.

The Oval is in the middle of rebuilding but 6,000 tickets were on sale to the general public, with the final few sold on Sunday night.

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Visitors Worcestershire are in prime form after blazing to a C&G Trophy semi-final victory on Saturday.

"In Twenty20 anything can happen," said a cautious Adam Hollioake, Surrey's leading wicket-taker.

"We'll be keeping our fingers crossed and hoping to be as lucky as we have been in the group stages."

Warwickshire are the only side to beat Glamorgan in this year's competition, winning by 26 runs in Cardiff earlier this month.

"It's a chance for revenge and it would be nice to get one back on them," Dragons coach Derrick told BBC Sport Wales.

"The boys are in good spirit after two good wins this week."

Twenty20 Cup quarter-finals
Monday 19 July

Surrey v Worcestershire
The Brit Oval

Glamorgan v Warwickshire
Sophia Gardens

Leicestershire v Essex
Grace Road

Hampshire v Lancashire
The Rose Bowl