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 LCK 2018 Summer Playoffs - GEN vs AF,2018,8,12,08,00,2018,8,12,08,00 LCK 2018 Summer Playoffs - KZ vs AF,2018,8,15,08,00,2018,8,15,08,00 LCK 2018 Summer Playoffs - GRF vs AF,2018,8,18,08,00,2018,8,18,08,00 LCK 2018 Summer Playoffs - KT vs GRF,2018,9,08,08,00,2018,9,08,08,00