Full name is Marcelo Andres Rios Mayorga...Took up tennis at age 11 at Sports Frances Golf Club in Santiago...Father, Jorge, is an engineer and enjoys playing golf; mother, Alicia, a homemaker and teacher, loves tennis...Has one older sister,Paula...Played soccer as a youth and decided to pursue a tennis career...Finished as No. 1 player in world junior rankings in 1993, capturing US Open title (d. Downs) and reaching SF at Roland Garros and Italian Open juniors...Stefan Edberg is last player to rank No. 1 in juniors (1983) and as a pro (1990)...Ivan Lendl also accomplished feat in 1978 (juniors) and 1983 (as pro)...Trains at Bollettieri Sports Academy in Bradenton, Fla. where he has a condominium...Selected by a panel of Chilean's Government Ministry for Sport, Olympic committee and selected panel of sports journalists as the country's "Best Athlete of the 20th Century" ...During a ceremony on Jan. 6, 2000 in Santiago, he received a silver medal in front of 200 people at government's sporting center...Has a 28-17 career Davis Cup record (25-10 in singles) in 21 ties since 1993... Wife, Juliana (married 26 December, 2000 in Santiago; divorced in 2004); daughter, Constanza (born June 26, 2001)...Second wife model Maria Eugenia Larrain (married in April 2004; divorced in September 2004)...Third wife publicist Paula Pavic (married May 2009).
1994 -- Won Dresden for first Challenger title...
1995 -- The first Chilean to finish in the Top 25 since Hans Gildemeister ranked No. 14 in 1979...Captured first career ATP title in Bologna (d. Filippini)...Qualified in Amsterdam and dropped only one set en route to his second title (d. Siemerink)...Also won the doubles title (w/Schalken)...Won in Kuala Lumpur (d. Philippoussis)...
1996 -- Became first Chilean to reach Top 10...Won fourth career ATP title in St. Poelten (d. Mantilla) and compiled a 32-10 record on clay...Played well in TMS events, reaching SF in Monte Carlo (d. Becker, l. to A. Costa) and Hamburg (l. Corretja)...Reached RD 16 at Roland Garros (l. to Pioline)...Led ATP circuit with most victories (20) in TMS play...On hard courts, had 18-10 record with final in Scottsdale (l. to W. Ferreira)...
1997 -- Became first South American to finish in Top 10 since Ecuadorian Andres Gomez in 1990...Won lone title at TMS stop in Monte Carlo (d. Corretja) and finalist in Marseille (l. to Enqvist), TMS Roma (l. to Corretja), Boston (l. to Schalken) and Santiago (l. to Alonso)...Only player on Tour during year to reach 4th RD or better at all four Grand Slam tournaments...Advanced to QF at Australian and US Opens, becoming first Chilean to reach a Grand Slam QF since Ricardo Acuna at Wimbledon in 1985...
1998 -- Compiled his best career season by leading ATP with seven titles in eight finals and co-leader (w/Agassi) with 68 matches won...Became first South American to rank No. 1 in history of ATP Rankings on Mar. 30 after winning title in Miami (d. Agassi)...Held No. 1 for six weeks during year...Reached his first Grand Slam final at Australian Open (l. to Korda), first by Chilean since Luis Ayala at Roland Garros in 1960...Played well on clay (23-5 record) with titles in Rome (d. A. Costa) and St. Poelten (d. Spadea)...Reached QF at Roland Garros, ending a career-best 14-match winning streak...Qualified for his first ATP Tour World Championship but withdrew after one match due to back injury...Went 38-8 on hard and won titles in Auckland (d. Fromberg), Indian Wells (d. Rusedski) Miami, Grand Slam Cup (d. Agassi) and Singapore (d. Woodforde)...Earned a career-high $3,420,054...
1999 -- Despite an injury-filled year, finished in Top 10 for third straight year, winning three titles in five finals...Underwent adductor (groin) surgery on both legs on Nov. 10 in Santiago...One of a record three South Americans (Kuerten, Lapentti) to finish in Top 10 and first South American to rank in year-end Top 10 since Jose-Luis Clerc of Argentina from 1980-83...In between his injuries (hamstring strain, stress fracture in his back, thigh, hip and groin), won titles at TMS Hamburg (d. Zabaleta, saving one match point) in longest final of year (4:07), St. Poelten (d. Zabaleta) and Singapore (d. Tillstrom)...Also reached final at TMS Monte Carlo (l. to Kuerten), retiring with right thigh injury...Played in two Grand Slam events and reached QF at Roland Garros and 4th RD at US Open...
2000 -- The Chilean No. 1 battled injuries throughout season...Underwent adductor (groin) surgery on both legs on Nov. 10, 1999 and returned to action in late February...Made progress in March by reaching QF in Scottsdale, 2nd RD at TMS Indian Wells and 4th RD in Miami (d. Chang, l. to Henman)...Following month on clay, advanced to QF in Barcelona and turned in his best TMS result in Hamburg where he reached SF...Retired in 1st RD to Haas at Roland Garros due to groin injury...In July, reached QF in Gstaad and followed with his lone title of year in Umag (d. Moya in SF, Puerta in F)...His best finishes during North American summer hard court circuit was 3rd RD at TMS Toronto and US Open...Lost in 1st RD at Sydney Olympics to Zabaleta...In October, reached SF in Toulouse (l. to Corretja)...Compiled records of 15-11 on hard and 14-11 on clay...
2001 -- The Chilean extended his ATP title winning streak to seven years by adding two titles during year...Despite an ankle injury which sidelined him for nearly two months and a career-low five ATP match wins on clay, the No. 1 Chilean finished in Top 40 for a seventh consecutive year...Opened year with a title in Doha (d. Ulihrach)...On June 23, underwent left ankle surgery to repair torn ligaments which he sustained in a gym workout...Returned to play Aug. 13 in Washington, D.C. and defeated defending champion Corretja in 3rd RD before losing to eventual winner Roddick in QF...In Hong Kong, captured his second ATP title of year by not dropping a set, posting wins over Grosjean (QF), Ilie (SF) and Schuettler (F)...Following week in Tokyo, lost in QF to J. Blake...Closed campaign by winning Challenger title in his hometown of Santiago (d. Massa)...Compiled records of 25-11 on hard, 5-7 on clay and 1-1 on carpet...
2002 -- Finished in Top 25 for sixth time in eight years although he was hampered with tendinitis in his right knee most of season (retired in four matches)...Also withdrew from Roland Garros for first time and was sidelined for nearly three months from April to July...His streak of winning an ATP title for seven straight years came to an end as he fell in four sets in Stockholm final (l. to Srichaphan)...He advanced to SF in three other events -- NASDAQ-100 Open in Miami, Washington and Palermo...His best Grand Slam showing was QF at Australian Open where he lost to Haas in four sets...Compiled records of 25-11 on hard and 6-6 on clay.
2003 -- Another injury plagued year for the Chilean saw him finish outside Top 100 for first time since 1994...Missed last five months of year after suffering from back injury in early part of season...Made first appearance on year in February during Chile's Davis Cup 3-2 loss against Ecuador (d. G. Lapentti, l. to N. Lapentti)...Following week in Vina del Mar, reached fourth final in native Chile and 31st ATP final overall...Defeated Garcia, Portas, Calleri and Gaudio without dropping a set before losing to Sanchez in final...Two weeks later, advanced to QF in Acapulco (l. to eventual champion Calleri) and followed with SF run in Delray Beach (l. to Fish)...Went 10-4 in first month of action...At TMS Miami, reached 4th RD with wins over Dent and No. 2 Ferrero before withdrawing prior to match against Srichaphan after suffering herniation of fourth and fifth vertebrae...Returned to action two months later at World Team Cup in Dusseldorf and helped Chile win first title...Went 1-2 in singles play and lost to Czech Republic's Stepanek in final but Chile won 2-1...Retired in 1st RD at Roland Garros against Ancic and during Davis Cup singles rubber against Venezuela's Orellana in July, but Chile still won 3-2...Did not play again on ATP circuit during rest of year, but won silver medal in singles and doubles at Pan American Games in Dominican Republic in August...Had match points against Meligeni in singles final.
2004 -- Returned to tennis at Ecuador Challenger and played his last competitive matches at San Luis Potosi, Mexico, Challenger in early April. On 16 July, aged 28, he announced his retirement due to a back injury at a press conference in Santiago.
2007 -- After a three-year absence, he intended to return to competition at Vina del Mar in February but did not play due to injury.