5. Babar Azam and Mohammad Rizwan – 152* for Pakistan

The 20-20 World Cup saw Pakistan defeat India in their first-ever match. Babar Azam and Mohammad Rizwan put on a first-wicket stand of 152 to help their team win by 10 wickets, much to the dismay of the Indian crowd.

4. Martin Guptill and Kane Williamson – 171* for New Zealand

The pair's record currently ranks as the fourth-highest unbeaten opening partnership. The pair amassed 171* together against Pakistan in 2016.

In 2021, Balaji Pai and Louis Brace combined to score 172* against Bulgaria.

3. Balaji Pai and Louis Brace – 172* for Gibraltar

2. Babar Azam and Mohammad Rizwan – 203* for Pakistan

Babar Azam and Mohammad Rizwan again partnered in the second T20I after losing the first T20I against England. To the team's delight, the pair managed to score the remaining 200 all by themselves and recorded the second-highest opening partnership without a loss.

1. Balaji Pai and Louis Bruce – 213* for Gibraltar 

This is the most prolific opening partnership in the history of T20Is. This record was set by the team when they played Bulgaria in May 2022. At the conclusion of the innings, the pair added 213 runs together without losing a wicket.