Mager or Thiem will face the winner of the match between Spain's Pedro Martínez Portero and Hungary's Attila Balazs. Portero led 6-2, 2-2 when the match was suspended. Third-seeded Christian Garin of Chile and fifth-seeded Borna Coric of Croatia set up a semifinal match. Garin beat Argentina's Federico Coria 2-6, 6-3, 7-5, and Coric topped Italy's Lorenzo Sonego 7-6 (5), 6-3.
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