Attacking without surprise these are the initial results for the Rumanians in Barbarossa. "The 1940 frontier was reached the following day, 26 July, which is considered the official end of operations for the Northern Bukovina and Bessarabian campaign in 1941. The Romanian troops suffered heavy losses during these fights: 22,765 men (4,271 killed, 12,326 wounded and 6,168 missing) and 58 aircraft. The Soviet losses were 17,893 (8,519 dead and missing and 9,374 wounded)."
https://www.worldwar2.ro/operatii/?article=5
Based on the article they appeared to suffer many Soviet counterattacks. Most were held.
They got absolutely hammered here: "The battle of Falciu – Tiganca was over. The losses suffered by the two divisions were gruesome: 2,473 by the Guard Division and 6,222 by the 21st Infantry Division."