Watch the action from Day Three, as Sussex dug in to take the game to a fourth day at The Incora County Ground.
Visiting captain, Tom Haines, struck an unbeaten 164, as Sussex closed on 278-2, still trailing by 53. Derbyshire will be hopeful of early wickets of Day Four, which could swing the game firmly back into their hands.
Click the video above to watch the full highlights.
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