Thanks for your query.
I will try my best to provide you with best possible professional recommendations to your questions.
Macroscopic features are fine, but in microscopic feature there are problem.
At least 30% active motility should be present, that to forward motility, but in report it has only 15% in that only 5% are actively motile. Active motility is very important factor in determining the fertility
Normal sperm morphology is usually between 30 - 50%, but in your case is it is 15%.
RBC's are usually absent, presence indicate infection.
I advice you to go for course of antibiotic and then again do a retest after abstinence of 3 days not more or less than 3 days.
Yet again, I do hope that you have found something helpful and I will be glad to answer any further query.