(CNN) A German police officer has been found guilty of sexual assault for removing a condom during sexual intercourse without the consent of his partner, an act known as "stealthing," in what is believed to be the first case of its kind to be prosecuted in Germany.

The defendant, 36, was found guilty at a local court in Berlin on December 11, after carrying out the offense at his apartment in the German capital on November 18, 2017, said Berlin's chief court spokeswoman, Lisa Jani.

He received an eight-month suspended jail sentence from the court and was fined €3,000 ($3,400) in damages, along with a €96 fine to pay for a sexual health test for the female victim.

The victim told the court that she "explicitly requested" the man to wear a condom and gave no consent to sexual intercourse without protection. She added that she realized that the man had not been wearing a condom only when he ejaculated, according to Jani.

The woman subsequently left his flat enraged -- worried that she might have caught a sexually transmitted disease -- and called the police to the defendant's property, but he did not open the door.

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