 Complete the following phrase:  At the beginning of the 19992000 season, OSullivan reached the final of the one-off non-ranking Millennium Cup. However, he lost 27 to Stephen Lee. Throughout the rest of the season, OSullivan won two ranking tournaments: the China Open, where he defeated Lee 92 in the final, and the Scottish Open, where he defeated Mark Williams 91 in the final. At the Grand Prix and Scottish Open, OSullivan hit his third and fourth competitive maximum breaks of his career. Competing for England, OSullivan was part of the winning Nations Cup team. Partnering John Parrott, Jimmy White and Stephen Lee: they defeated defending champions Wales 64 in the final. In the Triple Crown events, OSullivan did not experience any winning success: losing at the quarter-final stages of both the UK Championship and Masters, 39 to Matthew Stevens and 36 to John Parrott respectively, and losing in the first round of the 