When world leaders gather for a two-day Group of 20 summit in Osaka on Friday, the main meeting is likely to be overshadowed by more critical diplomatic events being held on the sidelines — bilateral talks between key leaders.

In fact, some of the planned one-on-one meetings could have a heavy influence on the fate of a number of key issues, which explains why observers across the globe have been laser-focused on Osaka.

All eyes will be on Chinese leader Xi Jinping's meeting with U.S. President Donald Trump as the pair discuss the ongoing trade war between the two countries.