Derbyshire 339 for 5 (Madsen 171*, Reece 52) vs Sussex
Sussex, seeking their first Championship win since April 2021, had the better of the morning session when they reduced Derbyshire to 83 for 4, but Madsen didn't offer a chance on an easy-paced pitch as he progressed serenely to his 34th first-class century for the county. Only Kim Barnett (53) has scored more.
By the close Madsen was 171 not out - the highest score by a Derbyshire batter in Sussex - as they closed on 339 for 5 from 97 overs.
Derbyshire elected to bat first but lost Billy Godleman and Brooke Guest during a lively opening spell by left-armer Sean Hunt. Godleman offered a low catch to slip after Hunt found some late away movement while Guest lost his middle stump off a big inside edge attempting an expansive drive.
Fortunately for Sussex it did not prove an expensive miss. Masood had added three more runs when he was pinned on his crease during an excellent spell down the slope by Steve Finn, who was making his first Championship appearance since the meeting at Derby in April. In his 12th innings Masood did become the quickest Derbyshire batter to reach 1,000, beating the previous record by Peter Kirsten of 16 in 1980.
On this occasion it was to prove a costly drop as Reece and Madsen added 120 in 36 overs. Sussex's seven-man attack plugged away but there was little assistance once the ball went soft and it took a misjudgement on Reece's part to end the stand shortly after he'd reached his fifty, when he top-edged a sweep at Delray Rawlins and lobbed up a simple catch to Carter.
Madsen drove Archie Lenham through the covers shortly after tea to bring up his 40th hundred in all formats for Derbyshire - only Barnett (66) has scored more - and Derbyshire's 999th first-class century.