In the first match "Göteborg" (Sweden) - "Levadia" (Estonia), which will take place on July 21, Dmitro Panchyshyn will officiate. He will be assisted by linesmen Dmitry Zaporozhenko and Volodymyr Vysotsky. The fourth official duties will be performed by Andrii Kovalenko.

In the return match "Apollon" (Cyprus) - "Dila" (Georgia), which will take place on July 28, Klim Zabrod will be the main referee. His assistants on the lines will be Valentin Kutsev and Vitaliy Skoblya. The fourth official is Sofia Prichina.

In the return match "Dijon" (Hungary) - "Bissem" (Luxembourg), which will take place on July 30, Dmitro Kubryak will officiate. He will be assisted by linesmen Nazariy Tsmokanych and Marina Strileckaya. The fourth official is Maxim Skripnik.

In the return match "Tobol" (Kazakhstan) - "Panevezys" (Lithuania), which will also take place on July 30, Denis Shurman will be the main referee. His assistants are Oleksiy Myronov and Svitlana Gryzhko. The fourth official is Oleksandr Shandor.