- Holds five Grand Slam singles titles (winning Australian Open, Wimbledon and US Open in 1997, then winning Australian Open again in 1998 and 1999); reached seven more finals (three at Australian Open, two at Roland Garros and two at US Open).
- Also holds nine Grand Slam titles in doubles (three w/Novotna, two w/Kournikova and one each w/Sukova, Zvereva, Lucic and Pierce) and one in mixed (w/Bhupathi).
- Holds 43 career Tour singles titles (10th all-time) and 37 Tour doubles titles (17th all-time).
- Held No.1 for 209 non-consecutive weeks in singles (fifth all-time) and for 35 non-consecutive weeks in doubles; was first Swiss to hold either; held both simultaneously for 27 non-consecutive weeks, one of now-five players to achieve the feat (also Navratilova, Sánchez-Vicario, Davenport, Clijsters).
- Career prize money of $20,130,657 is fourth all-time (after Graf, Davenport and Navratilova, the only four at this point to pass $20 million).
- Led Switzerland to its only Fed Cup final in 1998; 2-1 in final loss to Spain (d. Sánchez-Vicario, Martínez; w/Schnyder, l. to Martínez/Sánchez-Vicario).
- Played and won first career tournament on ITF Circuit in Switzerland, her only event of 1993; made Tour debut at Zürich in 1994; career-best year was 1997, her decade-best .938 winning percentage bringing her 12 titles (incl. three majors).
- Became youngest Grand Slam champion in 20th century at 16yrs, 3mos, 26days (1997 Australian Open); youngest No.1 in history (16 yrs, 6mos, 1day).
- Was fourth woman in history to compile calendar-year doubles Grand Slam, in 1998 (won Australian Open w/Lucic and Roland Garros, Wimbledon and US Open w/Novotna).
- Underwent left ankle surgery on May 20, 2002 to repair four ligaments (one torn and three loose), missing Roland Garros and Wimbledon that year (her first Grand Slam absences since turning pro in 1994); withdrew from last three events of year due to continued pain in left ankle, citing premature return from surgery; missed 2003 and 2004 seasons as part of indefinite break from the Tour; played one event in 2005 (at Pattaya City; as unranked WC, l. 1r); on November 29, 2005, announced full-scale return to Tour in 2006; impressive comeback season, winning two more singles titles, one more doubles title and first Grand Slam mixed doubles title, also notching five Top 10 wins and working her way back to No.6 in the world (and qualifying for Tour Championships); also strong start to 2007, winning 43rd career Tour singles title at Tier I Tokyo [Pan Pacific], but struggled with injury during remainder of sophomore comeback season (particularly left hip), losing early at last Grand Slam (US Open) and last event (Beijing), withdrawing from Stuttgart and Zürich and ultimately announcing re-retirement from Tour on November 1, 2007.

SINGLES
Winner (43): 2007 - Tokyo [Pan Pacific]; 2006 - Rome, Kolkata; 2002 - Sydney, Tokyo [Pan Pacific]; 2001 - Sydney, Doha, Dubai; 2000 - Tour Championships, Tokyo [Pan Pacific], Miami, Hamburg, 's-Hertogenbosch, Montréal, Filderstadt, Zürich, Moscow; 1999 - Australian Open, Tokyo [Pan Pacific], Hilton Head, Berlin, San Diego, Toronto, Filderstadt; 1998 - Australian Open, Tour Championships, Indian Wells, Hamburg, Rome; 1997 - Australian Open, Wimbledon, US Open, Sydney, Tokyo [Pan Pacific], Paris [Indoors], Miami, Hilton Head, Stanford, San Diego, Filderstadt, Philadelphia; 1996 - Filderstadt, Oakland, ITF/Prostejov-CZE; 1993 - ITF/Langenthal-SUI.
Finalist (25): 2007 - Gold Coast; 2006 - Tokyo [Pan Pacific], Montréal; 2002 - Australian Open, Indian Wells; 2001 - Australian Open, Tokyo [Pan Pacific], Charleston; 2000 - Australian Open, Indian Wells, Philadelphia; 1999 - Sydney, Roland Garros, US Open, Zürich, Philadelphia, Tour Championships; 1998 - Tokyo [Pan Pacific], Los Angeles, US Open; 1997 - Roland Garros; 1996 - Rome, Zürich, Tour Championships; 1995 - Hamburg.

DOUBLES
Winner (37): 2007 - Doha (w/Kirilenko); 2002 - Australian Open (w/Kournikova), Hamburg (w/Schett); 2001 - Moscow (w/Kournikova); 2000 - Roland Garros, Tokyo [Pan Pacific] (both w/Pierce), Filderstadt, Zürich, Philadelphia, Tour Championships (all w/Kournikova), Montréal (w/Tauziat); 1999 - Australian Open, Indian Wells, Rome, Eastbourne, Tour Championships (all w/Kournikova), Miami (w/Novotna); 1998 - Australian Open (w/Lucic), Miami, Roland Garros, Wimbledon, Montréal, US Open (all w/Novotna), Sydney (w/Sukova), Tokyo [Pan Pacific] (w/Lucic), Los Angeles (w/Zvereva); 1997 - Australian Open (w/Zvereva), Paris [Indoors], Leipzig (both w/Novotna), Hilton Head (w/MJ.Fernandez), Stanford (w/Davenport), San Diego, Filderstadt, Zürich (all w/Sánchez-Vicario); 1996 - Wimbledon, Zürich (both w/Sukova); 1995 - Hamburg (w/G.Fernandez), ITF/Prostejov-CZE (w/Langrova).
Finalist (14): 2002 - Sydney (w/Kournikova); 2001 - San Diego (w/Kournikova); 2000 - Sydney, Australian Open (both w/Pierce), Moscow (w/Kournikova); 1999 - Tokyo [Pan Pacific] (w/Novotna), Roland Garros (w/Kournikova); 1998 - Hamburg (w/Novotna); 1997 - Tokyo [Pan Pacific] (w/G.Fernandez); 1996 - Hamburg, Rome (both w/G.Fernandez), Berlin, Filderstadt (both w/Sukova); 1995 - Toronto (w/Majoli).

MIXED DOUBLES
Winner (1): 2006 - Australian Open (w/Bhupathi).

ADDITIONAL
Swiss Fed Cup Team 1995-98. Swiss Olympic Team 1996.