Sweden’s Henrik Larsson took silver with a time of 6.52 seconds, with Azu’s GB team-mate Andrew Robertson third in Saturday night time’s last in 6.55 seconds.
With simply 0.06 seconds separating the highest three, Azu admitted he needed to endure a nervy wait after crossing the end line to see if he had clinched victory.
“In these moments every thing’s heightened, you are tremendous conscious of everybody. The additional away somebody is from you, the extra in entrance of you they appear,” he added.
“The 2 guys to my proper have been going effectively, and I may see them so I made positive I dipped for every thing I had.
“Watching it again, I did see from begin to end I used to be within the lead, however in these moments you’ll be able to’t actually inform, it looks like a totally totally different race.
“I received again to my room and I watched the race. Fairly a surreal second however I am tremendous pleased with the end result.”
Azu is now concentrating on choice for the World Athletics Indoor Championships, which happen between 21 and 23 March in Nanjing, China.
And Azu feels his time of sub-6.5 seconds within the Netherlands proves he can compete on the highest degree this yr.
“I believe the choice assembly is tomorrow so till then we’re ready, however fingers crossed,” he added.
“I’ve at all times believed I can run 6.4 so it is good to lastly obtain it. The time speaks for itself, folks see that and know I will be aggressive on the world stage this yr.”
Robertson, 34, acquired a late call-up to the GB squad and mentioned he “cannot actually ask for something higher” after touchdown his first particular person worldwide medal.
“I used to be really a reserve simply shortly after the nationals. I had a sense there was a chance that I used to be going to go, so I nonetheless skilled and stayed sharp simply in case,” he mentioned.
“Once I received the decision on Monday that an athlete had withdrawn so there was a chance to go, I mentioned ‘completely, I will be there right away’.
“Per week later I am a bronze medallist. I can not actually ask for something higher.”