It is clear that the opinion it's pro-Russian is widespread enough they need to make advance disclaimers. You wanted "a single example backing up the claim", you got one - from the horse's mouth.
You have again failed to meet the characterization of "a thoroughly pro-Russian think tank". If you are unable to find any actual evidence that fits that description then you should just admit as much
I refuse to believe you continue to miss the point explained to you several times. Being intentionally obtuse is not a great look.
All I'm asking for is a single article or published piece that you can characterize as "thoroughly pro-Russia". You routinely fail to provide this