Worcestershire Seconds went down by six wickets to their Durham counterparts in a Second Eleven Championship match at Darlington.
The home were set a 340 target in 83 overs and won with 4.1 overs to spare.
Worcestershire resumed on 325-8 and extended their first innings total to 363 for the loss of nine wickets.
Opening bowler Josh Tongue had to retire after being struck on the helmet by a bouncer. He went to hospital for a check-up before returning to the ground but did not take the field during the Durham second innings.
Skipper Shaaiq Choudhry used 10 bowlers and returned the most successful figures of 3-68 from 19 overs.
But Durham batted consistently with opener Jack Burnham (116) and Phil Mustard (81) laying the foundations during a second wicket stand of 196 in 52 overs.
*The two sides will meet again tomorrow in a Second Eleven Trophy encounter at Chester Le Street.
Worcs 2nds – second inns continued
Tongue retired 25
Butler run out 9
Rashid not out 5
Total (for 9 wickets) 363
FOW continued: 363
Durham 2nds – second inns
Clark b Hill 9
Burnham lbw Choudhry 116
Mustard b Choudhry 81
Pringle b Choudhry 41
Poynter not out 37
Hickey not out 45
Total (for 4 wickets) 345
FOW: 11, 207, 261, 266