Tommy Robredo and John Isner each won ATP tournaments last week but only Robredo saw a change in his world ranking.
Wednesday's sports calendar
John Isner improves to a personal best No. 9 world ranking in men's tennis after a runner-up finish at the U.S. Men's Clay Court Championship in Houston.
Pablo Andujar defended his Grand Prix Hassan II tennis title, prevailing over fellow Spaniard Albert Ramos in Morocco.