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DUBAI, United Arab Emirates (AP) — Andrey Rublev was defaulted from his semifinal at the Dubai Championships for yelling in the face of a line judge, allowing Alexander Bublik to advance to the final on Friday.

Also, defending champion Daniil Medvedev was knocked out in the other semi by Ugo Humbert 7-5, 6-3.

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Medevev, the Australian Open runner-up, took a rare straight-set loss to the on-fire Frenchman.

Medevev, the Australian Open runner-up, took a rare straight-set loss to the on-fire Frenchman.

The second-seeded Rublev erupted after Bublik won a point to take a 6-5 lead in the deciding set.

The Russian, who is ranked No. 5, immediately pointed to the baseline, walked to the line judge, leaned over and shouted in his face.

ATP supervisor Roland Herfel came to the court accompanied by a Russian speaker, who said Rublev swore in his native language.