Visa requirements for Ukrainian citizens
For traveling to certain countries, Ukrainians do not need to use a passport, as they may use their Ukrainian identity card or internal passport.
Documents which give the right to leave Ukraine and to enter Ukraine and certify the identity of a citizen of Ukraine while staying abroad are:It's important to know, that the special rules of arriving in a particular country should be studied carefully. Thus, in most countries that do not require visas or issue visas, upon arrival you must have a passport, which is valid for at least 3 months from of arrival to this country.
Visa history of Russia
Since 22 March 1993, Latvia has required visas for citizens of Russia. On 13 April 1993, in response, Russian Prime Minister Victor Chernomyrdin signed the government resolution "[On the] introduction of a visa allowing [entry] of citizens of the Republic of Latvia and the Republic of Estonia on the territory of the Russian Federation". the resolution taking effect after 30 days. For citizens of the former USSR permanently residing in Estonia and Latvia and not having citizenship, visa-free entry into Russia was allowed until 6 February 1995.