1989 - Played first events of career on ITF Circuit in South America.
1990 - Continued to play on ITF Circuit.
1991 - Played first Tour main draw at Sao Paulo, falling 1r (as qualifier); won two singles titles and two doubles titles on ITF Circuit.
1992 - Fell in Tour qualifying once; won one singles title on ITF Circuit.
1993 - QF at San Juan (made Top 100 debut afterwards on August 2; rose from No.118 to No.94); reached 2r four times; fell 1r three times (incl.
US Open) and in Tour qualifying seven times (incl.
Roland Garros,
Wimbledon); spent three weeks in Top 100 before falling out.
1994 - Fell 1r three times (incl.
Australian Open) and in Tour qualifying five times; left Tour in April and married Gustavo Neffa on December 26.
1995 - Did not play.
1996 - Did not play.
1997 - Did not play; gave birth to daughter Ana de los Ríos on January 17.
1998 - Did not play.
1999 - Began playing again, mostly on ITF Circuit (winning one singles title and three doubles titles) but also playing one Tour event, falling 1r at Sao Paulo.
2000 - First Top 100 season; breakthrough fortnight at
Roland Garros, reaching 4r (as qualifier, d. No.10 Coetzer en route for first Top 10 win; l. to Marrero); was first Paraguayan woman to go that far at a Grand Slam; returned to Top 100 afterwards on June 12 (rose from No.151 to No.82; first time in Top 100 since three-week stint in 1993); reached 3r at Olympics (l. to Dokic 76(5) 75; led 5-2 second set); fell 1r three times (incl.
Wimbledon,
US Open); fell in Tour qualifying four times.
2001 - Second Top 100 season; SF twice, at Bahia (l. to Dokic) and Pattaya City (l. to Schnyder); QF twice, at Madrid and Knokke-Heist; had second Top 10 win at Madrid (No.6 Seles) and Top 20 wins over Farina Elia (No.20 at Knokke-Heist, No.16 at Bahia); reached 2r nine times (incl.
Australian Open,
Roland Garros); fell 1r 11 times (incl. other two majors) and in Tour qualifying once; reached career-high No.51 on November 12 (after Pattaya City).
2002 - Third Top 100 season; QF three times, at Bogotá, Bali and Bratislava; reached 3r once (
Roland Garros) and 2r six times (incl. other three majors); fell 1r 12 times and in Tour qualifying eight times.
2003 - Reached 2r three times; fell 1r 12 times (incl.
Australian Open,
Roland Garros,
Wimbledon) and in Tour qualifying seven times (incl.
US Open); continued to play on ITF Circuit.
2004 - Reached 2r once; fell 1r once and in Tour qualifying three times (incl.
Roland Garros,
US Open); continued to play on ITF Circuit.
2005 - Fell in Tour qualifying twice; continued to play on ITF Circuit.
2006 - Fell 1r once and in Tour qualifying twice (incl.
US Open); won one singles title on ITF Circuit.
2007 - Fell 1r three times (incl.
Roland Garros) and in Tour qualifying twice (
Wimbledon,
US Open); won three singles titles and one doubles title on ITF Circuit.
2008 - Fourth Top 100 season; reached 2r seven times (incl.
US Open); fell 1r seven times (incl.
Roland Garros,
Wimbledon) and in Tour qualifying six times (incl.
Australian Open).
2009 - QF once, at Portoroz; reached 2r four times (incl.
Wimbledon); fell 1r four times (incl. other three majors) and in Tour qualifying five times; won three singles titles on ITF Circuit.
