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 EUW Challenger Series #3 - P vs GG.EU,2013,5,07,16,30,2013,5,07,16,30 EUW Challenger Series #3 - myR vs AT,2013,5,07,16,30,2013,5,07,16,30 EUW Challenger Series #3 - ESC vs BRIT,2013,5,07,19,00,2013,5,07,19,00 EUW Challenger Series #3 - ESB vs BENC,2013,5,07,19,00,2013,5,07,19,00 EUW Challenger Series #3 - GG.EU vs myR,2013,5,08,16,30,2013,5,08,16,30 EUW Challenger Series #3 - BRIT vs BENC,2013,5,08,19,00,2013,5,08,19,00 EUW Challenger Series #3 - GG.EU vs BRIT,2013,5,09,17,00,2013,5,09,17,00