11.   Gustafsson, who recently came back after a long injury layoff, defaulted a doubles match later Thursday because of a sore arm.

12.   He also had weight problems, especially after long injury layoffs.

13.   He came back for the Davis Cup after a long injury layoff and is still far off peak form.

14.   He had taken the roster spot of right-hander Carlton Loewer, ineffective in his first two starts since returning from a long injury layoff.

15.   Kuerten had a surprisingly hard time with Vacek, who came off a long injury layoff.

16.   Last year, Stich came to the French Open after an injury layoff and unexpectedly reached the final, where he lost to Yevgeny Kafelnikov.

17.   Martina Hingis may miss the Grand Slam due to injury, while Steffi Graf is coming back from a three-month injury layoff.

18.   Midfielder Paul Gascoigne, who recently returned to action with Glasgow Rangers after a long injury layoff, was also left off the squad.

19.   Ronaldo was planning to return from a long injury layoff against Roma, but instead flew to Brazil when coach Hector Cuper indicated he would not use him.

20.   Seven-time champion Graf, continuing her comeback after a long injury layoff, opens against Gala Leon Garcia.