The cool thing about looking up Ramon Dekkers' fights is that he had many great wars and "rivalries" with some of the best Thai fighters during his time. So when you are searching for him on youtube, you pretty much can't lose.
This is the first in the series which he fought Namphon Nongkeepayahut. It's the sharp strikes of Dekkers vs the kicks and clinch work of Namphon. It's not just a battle of techniques but of wills: