JANUARY - Began year at Hopman Cup in Perth, teaming with countryman Dominik Hrbaty to lead Slovak Republic to victory - went 3-1 in singles action during week; made 2005 Tour debut at Sydney, defeating qualifier Talaja in 1r before falling to No.5 seed Petrova in next round; recorded 200th career victory by reaching 3r at Australian Open (d. Morigami, Schett) before losing to No.6 seed Dementieva.

FEBRUARY - As No.8 seed, advanced to QF at Tokyo [Pan Pacific] with victories against Jidkova and Kirilenko before falling to No.3 seed Kuznetsova in a pair of tie-breaks; was first Tier I QF since last year's Pan Pacific Open; reached second Tour SF in last two years at Doha, defeating Maleeva, No.6 seed Bovina and Martinez before loss to No.2 seed Sharapova.

MARCH - Reached third straight Tour QF at Dubai, upsetting No.6 seed Molik in 1r and also defeating Likhovtseva in straight sets before loss to No.2 seed Serena Williams in next match; reached SF in doubles at Dubai (w/Schiavone); as No.13 seed at Indian Wells, saved six match points in 2r match against Kremer to advance before falling to No.19 seed Zuluaga in 3r; as No.20 seed at Miami, was upset by lucky loser Cohen-Aloro in 2r.

APRIL - Defeated wild card Kosinska in 1r at Warsaw before 2r loss to No.5 seed Bovina.

MAY - As No.15 seed at Berlin, falls to Dulko in 1r; reached SF in doubles at Berlin with Sugiyama; also suffered 1r loss at Rome as No.16 seed, falling to No.110-ranked qualifier Mamic; reached 3r at Roland Garros for second time in career as No.20 seed, defeating qualifier Krajicek and Castano before straight sets loss to No.14 seed Clijsters; won third career Grand Slam mixed doubles title at Roland Garros, teaming with Fabrice Santoro to defeat No.6 seeds Navratilova/Paes in the championship match.

JUNE - As No.7 seed at Birmingham, was upset in 2r by Parra Santonja, dropping a third-set tie-break in loss; captured fifth career doubles title in Birmingham as No.2 seeds with Sugiyama, defeating Daniilidou/Russell in final; was eighth time playing with Sugiyama; was unable to repeat '04 finals performance at Eastbourne, falling to Vento-Kabchi in 1r; reached 3r at Wimbledon for second straight year as No.20 seed, defeating Linetskaya and Peer before straight sets loss to No.14 seed V.Williams.

JULY - Reaches second SF of season as No.4 seed at Cincinnati, defeating Osterloh, Rubin and Cho before falling to No.72-ranked Morigami in straight sets; defeated wild card Stevenson and qualifier Shaughnessy in first two matches at Stanford to reach QF, but fell to No.4 seed and eventual winner Clijsters in next match.

AUGUST - As No.14 seed at San Diego, defeated Kirilenko in 1r before three-set loss to Sugiyama in 2r; reached final in doubles (w/Sugiyama) at San Diego, blowing multiple match points in third set of final against Martinez/Ruano Pascual; reached first final of season as No.9 seed at Los Angeles, falling to No.5 seed Clijsters in final; has lost to Clijsters in all seven career meetings; had solid week in L.A., defeating qualifier Haynes in 2r in three sets, followed by victory against qualifier K.Bondarenko in next match; advanced to SF after top seed Sharapova withdrew due to right pectoral muscle strain and then defeated No.3 seed Dementieva in three sets to reach final; surpassed $3 million in career prize money during week; as No.13 seed at Toronto, retired during 1r match vs. Jidkova in third set due to heat illness; reached SF in doubles at Toronto (w/Sugiyama); reached QF at New Haven, defeating Llagostera Vives and No.6 seed Schnyder before loss to top seed Davenport; returned to Top 20 in rankings on August 29 for first time since January 2004 at No.19.

SEPTEMBER - Advanced to 3r at US Open as No.20 seed, defeating Pin and Salerni before straight sets loss to No.10 seed Venus Williams; completes a career Grand Slam in mixed doubles at US Open, teaming with Mahesh Bhupathi to defeat Srebotnik/Zimonjic in final; has now won mixed doubles title at all four Grand Slam events; reached QF at Luxembourg as No.5 seed, defeating Medina Garrigues and Chakvetadze before losing straight sets decision to No.4 seed Dechy.

OCTOBER - Impressive showing at Filderstadt, reaching SF in singles (unseeded, d. No.7 seed Schnyder en route, l. to top seed and eventual champion Davenport) and winning second doubles title of season (partnering w/Myskina for first time, squandered 5-1 third-set lead and 5 mp in final vs. Peschke/Schiavone, but ultimately won 60 36 75); another strong week in Zurich, reaching 2r in singles (l. to top seed and eventual champion Davenport 36 75 62, after holding 63 53 lead and 2 mp - would have prevented the American from returning to No.1 if she won that match) and reaching the final in doubles (unseeded w/Sugiyama, upset No.4 seeds Kuznetsova/Molik and top seeds Raymond/Stosur en route, l. to No.2 seeds Black/Stubbs in three sets); reached 10th singles QF of season at Linz (as No.6 seed, saved 2 mp vs. Koukalova in 64 67(4) 76(9) 1r victory, advanced to QF when Martinez ret. during third set due to injury in 2r, then l. to No.4 seed and eventual runner-up Schnyder), also reached Linz doubles SF (as No.4 seeds w/Sugiyama, upset by eventual champions Dulko/Peschke); withdrew from Quebec City due to right shoulder strain.