I need tax report for entering to university

It sounds like you are applying for financial aid from the university.

It is common for the school to ask for a copy of your tax return as proof of your income.  You need to ask them what they will accept in your situation.  You may have to actuality file a 2018 tax return or they may accept an IRS Verification of Non-filing Letter.

Verification of Non-filing Letter - provides proof that the IRS has no record of a filed Form 1040, 1040A or 1040EZ for the year you requested. It doesn't indicate whether you were required to file a return for that year. This letter is available after June 15 for the current tax year or anytime for the prior three tax years using Get Transcript Online or Form 4506-T. You must use Form 4506-T if you need a letter for tax years older than the prior three years.

https://www.irs.gov/individuals/tax-return-transcript-types-and-ways-to-order-them