The 2011–12 international cricket season was from October 2011 to April 2012 and included a number of Test, One Day International and Twenty20 International series. The season saw the launch of the ICC T20I Championship in October 2011. England, the reigning ICC World Twenty20 champions, were ranked number one. England had their first defences of the ICC Test Championship number-one ranking they acquired at home in August 2011. While they retained the spot throughout the season, they showed their weaknesses in Asian conditions as they were whitewashed in a three-Test series against Pakistan. Australia were the best ranked in the ICC ODI Championship throughout the season but their rating dropped from 130 to 123 after average performances in the season. They would drop to number four in the