Sara Errani's Solo So-Long

The former WTA No. 5 is wrapping up an improbable singles career.

PARIS, France — After battling back from 0-6, 2-5 down in her first round qualifying match on Tuesday on Court 14 at Roland Garros—pairing fiendishly floaty shots with a blaring grunt as only she can—Sara Errani made it clear there wouldn’t be many more magical moments like that left for her.

“This, 99 percent, will be my last singles tournament,” the 38…