This is easily one of the most difficult matchups I've won since I started playing MK1. It was nothing but hear pumping and I had to dig really deep to win it.
I lost three consecutive rounds, regularly being dominated until I got my shot. In the process, I learnt something about Cyrax and it is that if you give her space, she will destroy you.
Anyway, I never give up on a match, no matter how low my health is. In this fight, I was literally one hit away from losing the entire Ranked fight but a crazy fight back at the end led to a win and I took control of the fight.
The trick to playing Cyrax is to not give her a chance. Just start pressuring from the beginning and you'll have a chance. Anyway, here's how the fight went and forgive me for the flowery language at the end, I was very tensed.