1. Fakhar Zaman and Imam-ul Haq:

At number one in the list of Top 5 Highest Opening Partnerships In ODI are Fakhar Zaman and Imam-ul-Haq.
The duo rewrote history books by adding 304 runs for the first wicket. It was the first time the openers crossed the 300-run barrier in ODIs.
Fakhar starred with the bat, scoring 210 not out off just 156 balls. In the process, he also became the first Pakistani to score a double century in ODIs. Imam, on the other hand, scored a calm and composed 113. As a result of the massive opening stand, Pakistan scored 399 for 1.