In last few years, Pakistan have continuously produced such gripping matches, which is quite an achievement for them but it could not have been more interesting without West Indies.
Mickey Arthur said the batting implosion forced Pakistan to play slightly defensively when West Indies came out to chase on the fourth evening.
West Indies have a golden opportunity to cause an upset as they have returned from the dead in the second innings and will look to make the most of the gained momentum on Day Five.
Pakistan had the edge till they came out to bat in the second innings but their over aggression with the willow coupled with Devendra Bishoo's discipline and brave bowling hurt them badly.
Yasir Shah became joint-second fastest to 100 wickets in Tests when he took 5 for 121 in his 17th match against West Indies in both side's first day-night Test on Day Four.
If West Indies manage to avoid follow-on, it will certainly give them some breathing space and reduce the trail margin further, which means that Pakistan have to bat longer to set a challenging target.
Darren Bravo admitted West Indies were poor in the preceding Twenty20 (T20Is) and One-Day International (ODI) series where they were whitewashed by Pakistan 3-0.
Younis Khan scored an epic 218 in Pakistan's last Test against England in September 2016 thereby helping his side to draw the four-Test series at 2-2.
Pakistan have whitewashed West Indies in both the limited-overs series.
West Indies have a herculean task to chase the target in hand as they have never chased a total in excess of 300.