Instructions to Import to your Google Calendar - https://support.google.com/calendar/answer/37118?hl=en (section: Advanced: Create or edit CSV). Data provided here is already in CSV format, you can copy to Notepad & save with CSV file extension and then import.
Subject,Start Date,Start Time Ultraliga Season 4 Promotion - DCH vs OPT,2020,4,08,08,00,2020,4,08,08,00 Ultraliga Season 4 Promotion - PRD vs PRĂ“B,2020,4,08,13,00,2020,4,08,13,00