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 A1 eSports League Austria Season 1 Playoffs - IeS vs PD,2018,3,20,20,00,2018,3,20,20,00 A1 eSports League Austria Season 1 Playoffs - WES vs TTD,2018,4,04,18,00,2018,4,04,18,00 A1 eSports League Austria Season 1 Playoffs - TTD vs PD,2018,4,10,18,00,2018,4,10,18,00 A1 eSports League Austria Season 1 Playoffs - MBL vs TTD,2018,4,20,09,00,2018,4,20,09,00 A1 eSports League Austria Season 1 Playoffs - dZL vs PD,2018,4,20,14,00,2018,4,20,14,00 A1 eSports League Austria Season 1 Playoffs - MBL vs dZL,2018,4,20,18,15,2018,4,20,18,15