Originally created 05/29/03  Agassi overcomes teen in five sets;
Harkleroad breaks through  PARIS -- Andre Agassi sat in his
chair a few extra seconds at each changeover, resting his body
and composing his mind.   Agassi needed every drop of energy and
resolve to reach the French Open's third round Wednesday. He
rallied from a monumental deficit and overcame some surprisingly
ragged crunch-time nerves to oust Croatian teen Mario Ancic in
five sets.   The eight-time Grand Slam champion lost the first
two sets and trailed in the third before cobbling together a
5-7, 1-6, 6-4, 6-2, 7-5 comeback for his 763rd victory - sixth
most in history and one more than Pete Sampras.  It's also 750
more than Ashley Harkleroad, who took the first significant
strides of her tennis life by knocking off No. 9-seeded Daniela
Hantuchova of Slovakia 7-6 (2), 4-6, 9-7 in 3 hours, 8 minutes.
Without a Grand Slam match win before this week, Harkleroad
could have folded after letting a 5-1 lead evaporate in the
final set. Hantuchova,