1998 - Played first ITF Circuit event, qualifying for ITF/Bratislava-SVK
1999 - Finished first full season ranked No. 201; won first ITF Circuit titles at ITF/Jackson-USA (as a qualifier) and ITF/Fano and reached SF at ITF/Bratislava-SVK (d. Krizan, Sucha and Kleinova); made Tour debut at Bratislava (l. 1r to Appelmans); also played Tour qualifying of Birmingham
2000 - Improved 93 spots to No. 108; reached first Tour QF at Strasbourg (as a lucky loser) and Luxembourg (d. world No. 7 Tauziat in 2r for first Top 10 win); also qualified for Oklahoma City, reaching 2r; won first Tour doubles title at Bratislava (w/Habsudova); won ITF/Bronx-USA as a qualifier; received wildcard into Philadelphia, l. to Tauziat in 2r
2001 - Played all four Grand Slams for first time, reaching 2r at Roland Garros and Wimbledon; recorded second Top 10 win at Oklahoma City, d. world No. 10 Coetzer en route to first Tour SF (l. to No. 6 Capriati in 3s); afterwards (26 February) broke into Top 100 at No. 86; in Canadian Open 2r, l. to Capriati again in 3s after leading 75, 4-1; advanced to second career SF at Birmingham; as a qualifier into Italian Open reached 3r (l. to Mauresmo in 3s); at Wimbledon, won first Grand Slam title, claiming mixed doubles crown w/Leos Friedl; reached three other QF at Basel, Leipzig (as a qualifier, d. world No. 11 Dokic, saving mp) and Zurich (as a qualifier, d. world No. 12 Shaughnessy, l. to Davenport in 3s in first Tier I QF); won second career doubles title at Luxembourg (w/Bovina); first Top 100 season-finish at No. 38
2002 - Began season ranked No. 38, reaching 2r at Gold Coast (l. to Henin in 3s) and Sydney (after qualifying, d. world No. 16 Mag. Maleeva); in Australian Open 3r, held points for 5-4 third set lead on No. 2 seed V. Williams before falling; reached doubles final (w/Sanchez-Vicario; l. to Hingis/Kournikova in 3s) and won mixed doubles title w/Kevin Ullyett, her second Grand Slam title in two attempts in mixed doubles; at Paris Indoors, d. world No. 14 Mag. Maleeva again en route to 2r; in Antwerp as No. 8 seed, l. 2r to Bedanova; ranked No. 26 and seeded No.18, won first WTA Tour singles title at Indian Wells (lowest seed to win a Tier I event, breaking No. 14 seed Dokic's record set at 2001 Italian Open); scored career-best wins over world No. 7 Henin and No. 4 Hingis en route; Hingis was appearing in her 63rd career Tour singles final, while it was Hantuchova's first; became one of five players to win her debut singles title at a Tier I event (instituted in 1980), others being Bonder (1983 Tokyo Queens Grand Prix), Graf (1986 Family Circle Cup), Majoli (Zurich 1995) and Dokic (2001 Italian Open); afterwards (March 18), broke into Top 20 at No. 17, first Slovak woman in Top 20 since Habsudova in September 1997; at Miami, l. 2r in 3s to Black; at Amelia Island, fell 2r to Husarova but won doubles title, the third of her career and first w/Sanchez-Vicario; in Charleston, l. to wildcard Pierce in 3r; won a singles rubber and the deciding doubles to lead Slovakia over Switzerland 3-2 in Fed Cup 1r; reached QF at Hamburg and held set point on world No. 4 Hingis before falling (reached doubles final w/Sanchez-Vicario); seeded No. 11 at German Open, d. Suarez, Rubin and No. 6 seed Dokic to reach QF (l. to Smashnova in 3s); doubles runner-up for second straight week w/Sanchez-Vicario; l. 1r at Italian Open to Myskina; seeded No. 11 at Roland Garros, reached first Grand Slam 4r, l. to No. 6 seed and three-time champion Seles 64 75 after being a break up in each set; semifinalist for second time in 2002, at Eastbourne, d. 11-time champion Navratilova in 2r in 3s (at the time, Navratilova was her mentor in the Tour's Partners for Success program); playing second Wimbledon and seventh Grand Slam, reached first QF, d. world No. 7 Dokic in 4r (l. to S. Williams); mixed doubles runner-up (w/Ullyett); in Fed Cup play, won both singles rubbers vs. France, including win over Mauresmo in 3s to lead Slovakia into SF; at San Diego, l. 2r to Sugiyama 7-5 final set, incurring a point penalty on match point for her second time violation; later teamed up w/Sugiyama to reach doubles final; seeded No. 6 at Los Angeles, l. 2r to Daniilidou; reached doubles final w/Sugiyama for second straight week; reached SF at Canadian Open, her second Tier I SF or better; l. to Mauresmo 62 76(3) after saving 2 mp then holding two set points in second set; moved up to No. 11 for first time; reached SF the next week in New Haven (l. to V. Williams) won doubles title (w/Sanchez-Vicario) to move up to career-high No. 5 doubles ranking; at US Open, reached second straight Grand Slam QF (l. S. Williams); in fourth game of second set of 4r vs. Henin, with light rain falling, slipped and injured her right thumb and left ankle; play was halted until following day, with Hantuchova winning 76 third set; reached QF in Leipzig (l. to Henin); reached second career singles final in Filderstadt without dropping a set (including quickest win of her career, 49-minute 61 62 victory over Stevenson) before falling in 3s to Clijsters; recovered from 4-2 down to lead 4-all, 40-15 third set; afterwards (October 14), broke into Top 10 at No. 9; reached QF in Zurich, saving 4 mp to d. Dementieva 36 76(4) 76(6) in 2r, l. to Schnyder 76 third set; reached Linz SF (l. to Stevenson), rising to career-high No. 8; led Slovakia to its first-ever Fed Cup title, d. Farina Elia in SF win over Italy and in final, d. Serna 62 61 and C. Martinez 67(8) 75 64 in three hours, 21 minutes; qualified for season-ending Championships in both singles and doubles (w/Sanchez-Vicario) for first time; seeded No. 7 in singles, l. 1r to Mag. Maleeva; withdrew from doubles due to Sanchez-Vicario's right thigh strain sustained in Fed Cup SF