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Story summary
- Gabriel Diallo advanced to the Shanghai Masters round of 16 after David Goffin retired with injury 12 minutes in, leading 3-0.
- Goffin's win over Ben Shelton was his second top-10 win this season, leaving him 11-19 for the year.
- Diallo will face winner of Francisco Cerundolo and Zizou Bergs; Karen Khachanov and Andrey Rublev also exited early.
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