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 TGA Grand Prix 2013 Summer - IGY vs LGD,2013,6,13,07,00,2013,6,13,07,00 TGA Grand Prix 2013 Summer - RSG vs LXH,2013,6,13,08,00,2013,6,13,08,00 TGA Grand Prix 2013 Summer - IGY vs RSG,2013,6,13,09,00,2013,6,13,09,00 TGA Grand Prix 2013 Summer - LGD vs LXH,2013,6,13,11,00,2013,6,13,11,00 TGA Grand Prix 2013 Summer - IGY vs LXH,2013,6,13,12,00,2013,6,13,12,00 TGA Grand Prix 2013 Summer - LGD vs RSG,2013,6,13,13,00,2013,6,13,13,00 TGA Grand Prix 2013 Summer - EP.HK vs CIC.MY,2013,6,14,07,00,2013,6,14,07,00 TGA Grand Prix 2013 Summer - VG vs DC,2013,6,14,08,00,2013,6,14,08,00 TGA Grand Prix 2013 Summer - EP.HK vs VG,2013,6,14,09,00,2013,6,14,09,00 TGA Grand Prix 2013 Summer - CIC.MY vs DC,2013,6,14,11,00,2013,6,14,11,00 TGA Grand Prix 2013 Summer - EP.HK vs DC,2013,6,14,12,00,2013,6,14,12,00 TGA Grand Prix 2013 Summer - CIC.MY vs VG,2013,6,14,13,00,2013,6,14,13,00 TGA Grand Prix 2013 Summer - RSG vs EP.HK,2013,6,15,05,00,2013,6,15,05,00 TGA Grand Prix 2013 Summer - VG vs IGY,2013,6,15,07,20,2013,6,15,07,20 TGA Grand Prix 2013 Summer - RSG vs VG,2013,6,15,10,40,2013,6,15,10,40 TGA Grand Prix 2013 Summer - EP.HK vs IGY,2013,6,15,13,00,2013,6,15,13,00