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 Promotion - MVP vs EEW,2018,4,17,04,00,2018,4,17,04,00 LCK 2018 Summer Promotion - KDM vs GRF,2018,4,17,07,00,2018,4,17,07,00 LCK 2018 Summer Promotion - EEW vs KDM,2018,4,17,10,00,2018,4,17,10,00 LCK 2018 Summer Promotion - MVP vs GRF,2018,4,19,08,00,2018,4,19,08,00 LCK 2018 Summer Promotion - MVP vs KDM,2018,4,22,08,00,2018,4,22,08,00