Kraigg Brathwaite's unbeaten 101 anchored a determined West Indies second innings as the home side reached 202 for 2 at stumps on the fourth day of the second Test against England.
Trailing England's first innings by 165 runs after the tourists were dismissed for 464 in the morning session, the home side go into the final day's play ahead by just 37 runs with eight wickets in hand.
First innings centurion Marlon Samuels, will resume on the last morning on 22 alongside Brathwaite.
The 22-year-old Barbadian duly completed his fourth Test hundred in the last nine matches, forcing seamer James Anderson through the off-side in the penultimate over of the day to reach the milestone off 228 deliveries with 11 fours.
"There's a lot of work still to be done, " said Braithwaite.
"There's a full day ahead and we have to start afresh and get as big a lead as possible, "
Earlier, James Anderson was run out to end England's innings leaving Joe Root unbeaten on 182.