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 TES Finland 2020 Summer Playoffs - BK vs NDS,2020,7,15,14,00,2020,7,15,14,00 TES Finland 2020 Summer Playoffs - NKI vs BK,2020,7,20,16,00,2020,7,20,16,00 TES Finland 2020 Summer Playoffs - KOVA vs BK,2020,7,27,16,30,2020,7,27,16,30