2017 - First Top 5 season (finishing No.4); won three WTA titles at Brisbane (d. Cornet in final), Doha (d. Wozniacki in final) and Eastbourne (d. Wozniacki in final); SF five times at Indian Wells (l. to Kuznetsova), Miami (l. to Wozniacki), Roland Garros (l. to Halep), Cincinnati (l. to Muguruza) and WTA Finals (l. to Wozniacki); and Prague (l. eventual champion Safarova); QF seven times at Australian Open (l. to Lucic-Baroni), Stuttgart (l. Siegemund), Rome (l. to Svitolina), Toronto (l. to Wozniacki), US Open (l. to Vandeweghe), Tokyo [PPO] (l. to Kerber) and Wuhan (l. to Barty); reached 3r once, 2r three times (incl. Wimbledon); fell 1r once; rose to No.1 for first time on July 17 (after Wimbledon).
2016 - Best season to date (finishing No.6); won two WTA titles at Nottingham (d. Riske in final) and Cincinnati (d. Kerber in final); runner-up at Eastbourne (l. Cibulkova) and US Open (l. Kerber); SF twice at Indian Wells (l. eventual champion Azarenka) and Prague (l. eventual champion Safarova); QF twice at Sydney (l. Halep) and Stuttgart (l. A.Radwanska); reached 3r four times (incl. Australian Open), 2r four times (incl. Wimbledon); fell 1r five times (incl. Roland Garros); qualified for WTA Finals, going 1-2 in the group stage and failing to progress; posted a career-high ranking of No.5 (week of October 10, 2016); hit WTA-leading 530 aces from 61 matches; captured fifth career doubles title at 2016 Birmingham (w/Strycova); also contested the doubles competition (w/Goerges), losing opening match to top seeds Garcia/Mladenovic; helped Czech Republic defend Fed Cup title, going 1-1 in singles (d. Mladenovic, l. Garcia) before teaming w/Strycova to defeat Garcia/Mladenovic in decisive doubles match.
2015 - Breakthrough near-Top 10 season (finishing No.11); won one WTA title at Prague (d. Hradecka in final); runner-up five times at Sydney (l. to Kvitova in final), Dubai (l. to Halep in final), Birmingham (l. to Kerber in final), Stanford (l. to Kerber in final) and Zhuhai (l. to V.Williams in final); SF twice at Antwerp (l. to SuÂ rez Navarro) and Tianjin (l. to A.Radwanska); QF four times at Miami (l. to Petkovic), New Haven (l. to Tsurenko), Tokyo [Pan Pacific] (l. to A.Radwanska) and Wuhan (l. to Vinci); reached 4r once, 3r three times (incl. Australian Open and Cincinnati - l. to Jankovic 62 36 75; held 1mp at 5-3 third set) and 2r six times (incl. Roland Garros and Wimbledon); fell 1r four times (incl. US Open); having started season at No.23, made Top 20 debut on January 19 (after Sydney; rose from No.22 to No.20) and Top 10 debut on August 10 (after Stanford; rose from No.11 to No.8) and set career-high No.7 on August 17 (after Toronto), dipping to No.11 by November 9 year-end rankings.
2014 - Near-Top 20 season (finishing No.24); won two WTA titles at Seoul (d. Lepchenko in final) and Linz (d. Giorgi in final); runner-up three times at Pattaya City (l. to Makarova in final), NÂrnberg (l. to Bouchard in final) and Hong Kong (l. to Lisicki in final); SF at Kuala Lumpur (l. to Cibulkova); QF three times at Monterrey (l. to Wozniacki), Bad Gastein (l. to Min) and Istanbul (l. to Wozniacki); reached 3r three times (incl. US Open) and 2r seven times (incl. other three majors); fell 1r six times and in qualifying three times; was alternate at Sofia (went 0-1 in RR); having started season at No.71, made Top 50 debut on June 9 (after Roland Garros; rose from No.53 to No.48) and finished No.24 on November 3 year-end rankings; also won three WTA doubles titles.
2013 - First Top 100 season; won one WTA title at Kuala Lumpur (d. Mattek-Sands in final); made Top 100 debut afterwards on March 4 (rose from No.127 to No.84); QF at Katowice (l. to Vinci); reached 2r four times (incl. Wimbledon); fell 1r 10 times (incl. other three majors) and in qualifying 11 times; won first WTA doubles title at Linz (w/Kr.Pliskova - first twins ever to win a WTA doubles title together); won one singles title on ITF Circuit.
2012 - Reached 2r once; fell 1r five times (incl. Roland Garros, Wimbledon) and in qualifying seven times (incl. other two majors); won two singles titles and three doubles titles on ITF Circuit.
2011 - Fell 1r three times and in qualifying six times (incl. Australian Open, Roland Garros, US Open); won two singles titles and three doubles titles on ITF Circuit.
2010 - Fell 1r once and in qualifying three times (incl. Wimbledon, US Open); won two singles titles on ITF Circuit.
2009 - Fell 1r once; won two singles titles on ITF Circuit.
2008 - QF at Prague; won one singles title on ITF Circuit.
2007 - Played first WTA main draw at Prague, falling 1r (as WC).
2006 - Played first events on ITF Circuit; played first WTA qualifying at Prague (as WC).