| Win | 1–0 | [2015 Citi Open – Women's singles|] | Washington Open, United States | International | Hard | dts|Jan 2016
Doubles: 2 (1 title, 1 runner-up)| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | | Loss | 0–1 | [2017 Citi Open – Women's doubles|] | Washington Open, United States | International | Hard | 
National representationCurrent through the 2020 Fed Cup qualifying round.
ITF Circuit finalsSingles: 2 (1-1)| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | | Loss | 0–1 | May 2010 | ITF Caserta, Italy | 25,000 | Clay | 
WTA Tour career earningsAs of 15 November 2021
| Year | Grand Slam singles titles | WTA singles titles | Total singles titles | Earnings | Money list rank | | 2012 | 0 | 0 | 0 | | 49 | | 2013 | 0 | 0 | 0 | | 15 | | 2014 | 0 | 0 | 0 | | 38 | | 2015 | 0 | 1 | 1 | | 41 | | 2016 | 0 | 3 | 3 | | 59 | | 2017 | 1 | 0 | 1 | | 5 | | 2018 | 0 | 1 | 1 | | 6 | | 2019 | 0 | 0 | 0 | | 22 | | 2020 | 0 | 0 | 0 | | 56 | | 2021 | 0 | 0 | 0 | | 43 | | 2021 | 0 | 0 | 0 | | 43 | | 2022 | 0 | 1 | 1 | 910,277 | | | Career | 1 | 6 | 7 | | 26 |
SeedingsThe tournaments won by Stephens are in boldface, and advanced into finals by Stephens are in italics.
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