Northamptonshire Steelbacks demonstrated their credentials as tournament favourites by extending their unbeaten streak to eight matches, successfully hunting down Gloucestershire's 185-run target with eight wickets in hand. Strong batting partnerships, led by David Willey's explosive 73 runs from 32 deliveries and Nathan McSweeney's composed 72 not out, ensured the visitors finished their chase comfortably, cementing their position atop their group and securing a home quarter-final berth.

Elsewhere in the competition, Lancashire battled past Derbyshire in a closely contested encounter, with Pakistan all-rounder Shadab Khan contributing both runs and wickets to secure a narrow four-run victory. Surrey similarly impressed with a comprehensive batting display against Essex, whilst Warwickshire continued their recent upturn in form with another win. The results highlighted the tournament's competitive depth as multiple teams demonstrated the form required to mount serious title challenges.