Tennis

Bjorn Borg, after advancing to the quarterfinals of the U.S. Pro Championships at Brookline, Mass., was beaten by Aleksandr Volkov, 6-4, 2-6, 7-5.

But a flustered Volkov lost hours later in an evening semifinal match, 4-6, 7-6 (7-5), 6-2, to Richey Reneberg.

In the other semifinal match, Ivan Lendl defeated MaliVai Washington, 6-4, 7-6 (7-2).

Borg, making his first appearance at the Longwood Cricket Club since winning the tournament for the third years in a row, 1974-76, advanced further than he has in tournament play since launching his comeback last year.

Despite his loss, Borg was optimistic after the match, pointing out that his comeback, which began in 1991 after a 10-year retirement, is progressing well.

“I made a good effort,” said Borg, ranked 920th in the world. “Every match I feel a little bit more confident. That’s why I have to play more matches.”