Ruf Yazvitskiy was born in 1913.

When Germany invaded the Soviet Union on 22 June 1941, starshiy leitenant Yazvitskiy served in 91 IAP. This regiment operated on the South-Western Front and was equipped with Polikarpov I-153s.

91 IAP was withdrawn from combat on 11 August 1941 to retrain on LaGG-3s and in September, Yazvitskiy was posted away from the regiment.

In March 1943, he was posted to the HQ of 207 IAD.
With this division, he flew Yak-1s, Yak-9s and La-5s.

On 24 August 1943, this division became a guard’s division and renamed to 11 GIAD.

Major Yazvitskiy ended the war with 1 biplane victory and a total of 2.
These had been claimed during 112 combat missions and 20 air combats.

Claims:

Kill no.	Date	Time	Number	Type	Result	Plane type	Serial no.	Locality	Unit
	1941
	02/07/41		1/?	Bf 109	Shared destroyed	I-153		South-Western Front	91 IAP
1	02/07/41		1	Bf 109	Destroyed	I-153		South-Western Front	91 IAP
	1944
2	15/07/44		1	FW 190	Destroyed	La-5		1st Ukrainian Front	11 GIAD

Biplane victories: 1 and 1 shared destroyed.
TOTAL: 2 and 1 shared destroyed.

Sources:
All aces of Stalin 1936-1953 – Mikhail Bykov, 2014
Soviet Aces 1936-1953
Soviet Fighter Pilots 1936-1953 - Mikhail Bykov