Pat Wickson (71) and Ian Watson, with an unbeaten 64, shared a 129-run opening partnership to take Hampshire to within touching distance of an eventual nine-wicket win over Somerset at Twyford.
Somerset earlier collapsed from 87-1 to 143-9 with spin pair Chris Wood (4-23) and Peter Tapper (3-23) doing the damage.
Somerset earlier collapsed from 87-1 to 143-9 with spin pair Chris Wood (4-23) and Peter Tapper (3-23) doing the damage.