2016 - Third consecutive Top 40 season (finishing No.37 - achieved same year-end ranking in 2015); won second WTA title at ?s-Hertogenbosch (d. Mladenovic in final); advanced to R16 at Wimbledon (l. Pavlyuchenkova); SF at Birmingham (l. to Strycova); posted first Top 5 win over No.3 A.Radwanska in Birmingham; QF twice at Dubai (l. to Svitolina) and Stanford (l. to Riske via ret.); reached 3r three times; fell 2r twice (incl. Roland Garros) and 1r nine times (incl. Australian Open and US Open); won career first doubles title at Indian Wells (w/Mattek-Sands, d. Goerges/Pliskova in F); advanced to mixed doubles final at Australian Open (w/Tecau, l. to Soares/Vesnina) and US Open (w/Ram, l. to Pavkic/Siegemund).
2015 - Second straight Top 40 season (finishing No.37); QF four times at Auckland (l. to Strycova), 's-Hertogenbosch (l. to Bertens), Wimbledon (first Grand Slam QF; l. to Sharapova) and Wuhan (ret. vs. Kerber w/left ankle injury); reached 3r three times (incl. Australian Open) and 2r four times (incl. US Open); fell 1r 10 times (incl. Roland Garros).
2014 - First Top 40 season (finishing No.40); won one WTA title at 's-Hertogenbosch (d. Zheng in final); QF at MontrÂ‚al (l. to Makarova); reached 4r once, 3r twice and 2r seven times (incl. Roland Garros, Wimbledon and US Open); fell 1r three times and in qualifying five times (incl. Australian Open); made Top 50 debut on July 7 (after Wimbledon; rose from No.51 to No.42).
2013 - Reached 2r five times (incl. US Open); fell 1r six times (incl. other three majors and Auckland - l. to Daniilidou 16 76(5) 64; held 2mp at 61 65) and in qualifying four times; won four doubles titles on ITF Circuit.
2012 - First Top 100 season; runner-up at Stanford (l. to S.Williams in final); was first lucky loser to reach a WTA final in over seven years (last one was Czink at Canberra in January 2005 - l. to Ivanovic); QF at Washington DC; fell 1r five times (incl. Wimbledon, US Open) and in qualifying seven times (incl. other two majors).
2011 - QF at Memphis; made Top 100 debut afterwards on February 21 (rose from No.106 to No.93); reached 3r once and 2r four times (incl. US Open); fell 1r seven times (incl. other three majors) and in qualifying eight times.
2010 - QF twice at San Diego and Tokyo [Pan Pacific]; reached 2r once; fell 1r four times (incl. Australian Open, US Open) and in qualifying four times; won two singles titles and one doubles title on ITF Circuit.
2009 - Reached 2r once; fell 1r once and in qualifying twice (incl. US Open).
2008 - Fell 1r three times (incl. US Open) and in qualifying once.
2007 - Fell 1r once and in qualifying twice (incl. US Open).
2006 - Made first appearance at San Diego, falling 1r (as WC).