Analysis: The resilience of Turkish-Saudi ties will depend on personal relations between Erdogan and MBS, as well as the shifting regional dynamics that prompted diplomatic normalisation in the first place.
Analysis: With President Herzog's visit to Ankara, Turkey and Israel have marked a turning point in relations between the two regional powers, but whether their shared interests will be enough to overcome years of strained ties remains to be seen.
Analysis: Saudi Arabia's foreign policy has been largely ambivalent towards diplomatic realignments in the region. But as US influence declines, which options will Riyadh pursue?
Analysis: While political differences still run deep, economic incentives could be key to turning a new page in relations between Ankara and Abu Dhabi.
Analysis: A rare diplomatic spat erupted between Ankara and Beijing after two Turkish politicians criticised China's treatment of the Uighur Muslim minority.
Analysis: Biden's policies towards Riyadh, together with how the UAE responds, will play a major role in determining whether Turkish-Saudi reconciliation succeeds.
Turkey is running a dual policy based on negotiating with Russia's Putin to convince him to drop support for Haftar and the possibility of sending military troops to Libya.