On the first day of the Rothesay County Championship, Lancashire posted 356 for 7 against Durham, thanks primarily to Marcus Harris's outstanding innings of 135 not out. The day started with Durham taking three early wickets, but Harris capitalized on dropped catches, including a crucial one at 22 runs. Despite losing partners at the other end, Harris reached his century and helped Lancashire secure three bonus points. Ben Raine was the standout bowler for Durham, claiming 3 wickets for 71 runs. As the day concluded, Lancashire looked to build on their solid position heading into the next day.