Alternate claimants to the title Caliph after Ottoman collapse?

Is there any other potential claimants to the title "Caliph of Islam" after the downfall of the Ottoman monarchy? How will this affect the Muslim World if there's a continuity to the Caliphate instead of being nonexistent for several decades?
 
Well, it didn't last, obviously. And nobody attempted to become Caliph afterwards.

So, any chances for a more stable and lasting Caliph succession after 1924.

You only need to get Abd al-‘Azīz ibn ‘Abd ar-Raḥman Āl Sa‘ūd killed in 1902 to butterfly away the only credible threat to Sharifian Caliphate.
 
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