Introduced to tennis at age 5, Sara Errani owns 27 career doubles titles (27-14 in finals), most recently winning at 2018 Auckland (w/Schoofs). She spent 87 weeks as doubles World No.1 and was member of victorious Italian Fed Cup teams in 2009-10 and 2013
In 2012 she reached her only Grand Slam singles final at Roland Garros (l. Sharapova) defeating four seeds en route to the title-match. She also moved to the quarter-finals at Australian Open (l. Kvitova), the third-round at Wimbledon (l. Shvedova) and the semifinals at US Open (l. S.Williams). The Italian qualified for the WTA Finals in singles in 2012 and 2013, going 2-4 in round robin matches. She also climbed into the top 10 in June 11, 2012 and rose as high as No.5 the week of May 20, 2013. She dropped out of the top 10 for the first time since then after 2014 Miami. That year, in 2014, Errani completed the career doubles Grand Slam by winning the Wimbledon title partnering Vinci: the all-Italian pair won five Grand Slam doubles titles from eight finals.
In 2015 she won her eighth WTA singles title, and first in two years, at 2015 Rio de Janeiro (d. Schmiedlova) and finished runner-up in Bucharest (l. Schmiedlova). She wualified for the inaugural 2015 WTA Elite Trophy in Zhuhai, but was unable to progress past the group stage. Errani recorded four straight Top 20 seasons from 2012 to 2015 including back-to-back Top 10 finishes in 2012 (No.6) and 2013 (No.7).
Her 2016 season was highlighted by winning the ninth (and biggest) WTA singles title of career at Premier-level Dubai (d. Strycova in F). She was previously 0-4 in Premier-level singles finals, finishing runner-up at 2014 Rome, 2014 Paris [Indoors], 2013 Dubai and 2013 Paris [Indoors]. Other notable results in 2016 included SF at Charleston (l. eventual champion Vesnina) and three quarterfinals, at Sydney (l. eventual champion Kuznetsova), Bucharest (l. Sevastova) and Bastad (l. Siniakova). She represented Italy in doubles w/Vinci at 2016 Rio Olympics (l. Safarova/Strycova in the quarter-finals), posting the ninth successive Top 50 season.
She ended 2017 season ranked No.143, down from No.50 in 2016, outsie the Top 100 for the first time since 2006 (No.171). Errani missed around two months of 2017 season (August to October) due to an anti-doping violation. She departed the tour following 2017 Washington DC, returning with a semifinal-run run in Tianjin in October (l. Sabalenka) where she also won her 26th career doubles title (w/Begu). Following her return to competition, she won the ITF $60k title in Suzhou and reached the semifinals at ITF $100k in Dubai (l. Bencic). Highlights of 2017 season prior to suspension included the quarter-finals run in Bogota (l. Larsson) and the semi-finals showing in Rabat (l. Pavlyuchenkova).
In June 2018, the CAS in Lausanne extended her suspension until February 2019.