This equals his highest placing, which he achieved when he won the Sydney International, his first ATP Tour victory, early last month. Since then, he has lost in the third round of the Australian Open and the first round of the Dubai Open.
Greg Rusedski, who is competing in the Advanta Championships in Philadelphia this week, has risen one place from 36 to 35, despite withdrawing from the Memphis tournament last week with wrist problems.
Boris Becker, blaming continuing wrist pains, pulled out of the Italian Indoor Tournament which began in Milan yesterday. Doctors have ordered him to rest for three weeks.