In her career, she won one singles title and three doubles titles on the WTA Tour, and two WTA Challenger doubles titles, as well as eleven singles and three doubles titles on the ITF Women's Circuit.
Her nickname is lightning for her amazing forehand.
On 24 April 2017, she reached her career-high singles ranking of world No. 60. On 3 February 2020, she peaked at No. 16 in the doubles rankings.
Career
2012
Starting the year as the No. 378 in the world, Duan's ranking would improve significantly to No. 128 by the year's end. Some of the highlights of her 2012 season included winning four ITF titles at the 25k level in Wellington, Changwon, Gimcheon and Goyang. Playing qualifying at the US Open, Duan had her first experience in a Grand Slam tournament. She would win her first qualifying round defeating Réka Luca Jani, but would fall in the next round to Kirsten Flipkens. She received a wild card to the Guangzhou International and won her first WTA Tour main-draw match defeating Luksika Khumkum in the first round. Duan also achieved her best results in ITF events near the end of 2012, reaching the semifinals of 100k+H Ningbo and the finals of 100k Suzhou, losing both matches to top-100 veteran Hsieh Su-wei.
2013: Major debut
Duan was due to make her main-draw Grand Slam singles debut at Wimbledon, but withdrew to compete in the National Games of China. She made her Grand Slam singles debut in the main draw of the US Open, after winning three qualifying matches. She lost to sixth seed Caroline Wozniacki in the opening round. During the televised commentary of her match against Wozniacki, the commentators compared Duan's game to that of former world No. 1, Lindsay Davenport. They also began referring to her by the nickname of Duan-venport (段文波特) on the Chinese internet.[1][2][3]
2015: First major singles win
At Wimbledon, as a qualifier, Duan defeated 2014 finalist Eugenie Bouchard in straight sets in the first round. This was considered one of the biggest upsets of the tournament. In the second round, Duan lost to Tatjana Maria in a long three-set match.
In the first-round match at the Shenzhen Open, Duan wasted three match points and eventually lost to first seed and world No. 3, Agnieszka Radwańska. At the Australian Open, she had her best Grand Slam performance to date by defeating Rebecca Šramková and Varvara Lepchenko to reach the third round, where she lost to former world No. 1 and eventual finalist, Venus Williams, by 1–6, 0–6.
In September, they reached the quarterfinals of the US Open, however, they were beaten by the eventual champions Elise Mertens and Aryna Sabalenka. The following week, with Zheng unavailable, she partnered with Veronika Kudermetova for the first time to win the doubles title at the Wuhan Open, beating Mertens and Sabalenka in the final.[5]
(W) winner; (F) finalist; (SF) semifinalist; (QF) quarterfinalist; (#R) rounds 4, 3, 2, 1; (RR) round-robin stage; (Q#) qualification round; (P#) preliminary round; (DNQ) did not qualify; (A) absent; (Z#) Davis/Fed Cup Zonal Group (with number indication) or (PO) play-off; (G) gold, (S) silver or (B) bronze Olympic/Paralympic medal; (NMS) not a Masters tournament; (NTI) not a Tier I tournament; (P) postponed; (NH) not held; (SR) strike rate (events won / competed); (W–L) win–loss record.
To avoid confusion and double counting, these charts are updated at the conclusion of a tournament or when the player's participation has ended.
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