Fourteen-times grand slam champion Pete Sampras has pulled out of next week's U.S. clay court championships in Houston.
Tournament officials and Sampras' agency, IMG, said on Thursday that Sampras would not be featuring in the event --- the fifth straight tournament he has withdrawn from.
Sampras, who has not played a tournament since winning the 2002 U.S Open last September, has pulled out of all five events he had entered this year - San Jose, Scottsdale, Indian Wells, Miami and now Houston.
Last week, the seven-times Wimbledon champion asked for a wild card into the Queen's Club grass court tournament, which is played the week before Wimbledon.
However, his brother Gus said Pete's Queen's request was not a solid indication that