455-13 – Surrey v Glamorgan at The Oval, 2015
443-9 – Essex v Glamorgan at Chelmsford, 2017
439-12 – Essex v Glamorgan at Chelmsford, 2022
425-11 – Somerset v Glamorgan at Taunton, 2006
425-10 – Sussex v Glamorgan at Hove, 2010