The event was broadcast by Roscosmos.

Docking of the spacecraft with the ISS service module is scheduled for 16:02 Moscow time.

The flight to the space station will take more than 3.5 hours.

The Roscosmos website reports that the Progress MS-20 will stay on the ISS for 256 days. 

The spacecraft will deliver 599 kg of refueling fuel, 420 liters of water, 40 kg of compressed nitrogen in cylinders, as well as 1458 kg of various equipment and materials, including onboard resource equipment for the ISS Russian segment, tools and accessories for extravehicular activities, cable ducts and sensor kits, medical supplies control and sanitation, garments, standard rations and fresh produce.

Earlier it was reported that the Soyuz-2.1a rocket with the Progress MS-20 cargo ship was installed on the launch pad at Baikonur.