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 Dutch League 2021 Summer Playoffs - PSV vs EZ,2021,7,27,17,00,2021,7,27,17,00 Dutch League 2021 Summer Playoffs - MCON vs TRL,2021,7,29,17,00,2021,7,29,17,00 Dutch League 2021 Summer Playoffs - EZ vs MCON,2021,8,03,17,00,2021,8,03,17,00 Dutch League 2021 Summer Playoffs - PSV vs MCON,2021,8,10,17,00,2021,8,10,17,00