 Complete the following phrase:  In the final against Kyren Wilson, OSullivan won the first session 62 before Wilson came back to trail 108. OSullivan then won the last eight frames of the match to claim his sixth World Championship title and his 20th title in the Triple Crown Series. It was also the 37th ranking title of his career, putting him ahead of Stephen Hendry 36 on the all-time list. He won 500,000, doubling his previous biggest winners cheque and went up to second in the ranking list, having been sixth before the World Championship. At the age of 44 years and 254 days, he became the oldest player to win a world title since Ray Reardon in 