Worcestershire Seconds conceded a first innings lead of 24 before spinners Ben Twohig and George Rhodes collected two wickets apiece on the third day of the four-day match with Hampshire Seconds at Kidderminster.
Worcestershire resumed on 74-2 but lost their last eight wickets for 63 runs as they were bowled out for 137.
Twohig and Rhodes then both enjoyed a double success but Hampshire opener Tom Alsop hit 89 to help his side to 211-4 by the close – a lead of 235.
Opener Ollie Westbury (28) and Alex Hepburn (23) were the main contributors with the bat for Worcestershire today.
Spinner Danny Briggs finished with 3-17 for the visitors.
When Hampshire batted for a second time, it was Rhodes who bowled Alsop when 11 runs short of his hundred.
He hit 13 fours in his 92 ball innings.
Rhodes ended with 2-44 from 11 overs and Twohig 2-67 from 14 overs before bad light halted play with 12 overs remaining.
Worcestershire Seconds – first innings
(overnight 74-2)
Westbury c Morton b Akram 28
Malik lbw Tomlinson 6
Hepburn c and b Nugent 23
Twohig c West b Nugent 4
Tongue lbw Briggs 10
Williams c Morton b Briggs 13
Russell b Briggs 0
Wilcox lbw Crane 0
Whiles not out 0
Extras 17
Total (all out) 137 in 50.2 overs
FOW continued: 77, 92, 105, 114, 124, 124, 125, 137
Bowling: Briggs 3-17, Akram 2-21, Tomlinson 2-28, Nugent 2-30, Crane 1-9.
Hampshire Seconds – second innings
Alsop b Rhodes 89
Weatherley c Hepburn b Twohig 23
West c Kervezee b Rhodes 16
Morton lbw Twohig 3
Lintott not out 41
Gorvin not out 32
Extras 7
Total (for 4 wickets) 211 in 53 overs
FOW: 67, 112, 117, 151
Bowling
Russell 13-3-36-0
Tongue 7-3-25-0
Twohig 14-1-67-2
Whiles 4-0-21-0
Rhodes 11-1-42-2
Williams 4-1-14-0