§ 16 Ministry of Transport Decree no. 464/2009 Coll. mention no tow rope in determining the components of mandatory equipment, which means that it is not part of the compulsory equipment. Most drivers still have it in the vehicle.

Tow rope for cars up to total weight of 1800 kg. May not be used as wrecking rope. During towing there ought to be no harm from abrasion from towed or pushed car. Towed vehicle can not have damaged brake system. The rope is terminated with two carabiners and red flag.
Length: 4m
Diameter: 10mm

Tow rope for cars up to total weight of 2100 kg. May not be used as wrecking rope. During towing there ought to be no harm from abrasion from towed or pushed car. Towed vehicle can not have damaged brake system. The rope is terminated with two carabiners and red flag.
Length: 1,5 - 4m

Tow rope for cars up to total weight of 3000kg. May not be used as wrecking rope. During towing there ought to be no harm from abrasion from towed or pushed car. Towed vehicle can not have damaged brake system. The rope is terminated with two carabiners and red flag.
Length: 4m
Diameter: 15mm

Tow rope for cars up to total weight of 5000kg. May not be used as wrecking rope. During towing there ought to be no harm from abrasion from towed or pushed car. Towed vehicle can not have damaged brake system. The rope is terminated with two carabiners and red flag.
Length: 4m
Diameter: 18mm