This article displays the qualifying draw of the 2011 Korea Open.
Erika Sema (withdrew, take part of ITF Ningbo) Junri Namigata (second round) Rika Fujiwara (qualifying competition) Yurika Sema (qualified)
Karolína Plíšková (second round)
Marta Domachowska (qualifying competition) Krystina Plíšková (qualified)
Yaroslava Shvedova (qualified) Erika Takao (first round)| First round | Second round | Qualifying competition | ||||||||||||||||||
| 9 | Erika Takao | 4 | 63 | |||||||||||||||||
 Natalie Grandin | 6 | 77 | Natalie Grandin | 6 | 64 | 3 | ||||||||||||||
| Ryoko Fuda | 6 | 2 | 6 | Ryoko Fuda | 0 | 77 | 6 | |||||||||||||
| Shuko Aoyama | 4 | 6 | 4 | Ryoko Fuda | 3 | 2 | ||||||||||||||
| WC |  Hong Seung-yeon | 3 | 1 |  Nicole Rottmann | 6 | 6 | ||||||||||||||
| Nicole Rottmann | 6 | 6 | Nicole Rottmann | 3 | 6 | 77 | ||||||||||||||
| WC | Song Ah | 3 | 2 | 5 | Karolína Plíšková | 6 | 0 | 64 | ||||||||||||
| 5 | Karolína Plíšková | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 2 | Junri Namigata | 7 | 2 | 6 | ||||||||||||||||
 Karolina Wlodarczak | 5 | 6 | 2 | 2 | Junri Namigata | 4 | 4 | |||||||||||||
 Emma Laine | 6 | 6 | Emma Laine | 6 | 6 | |||||||||||||||
| Han Na-lae | 2 | 0 | Emma Laine | 5 | 63 | |||||||||||||||
 Nudnida Luangnam | 2 | 5 | 7 | Krystina Plíšková | 7 | 77 | ||||||||||||||
 Mervana Jugić-Salkić | 6 | 7 | Mervana Jugić-Salkić | 2 | 3 | |||||||||||||||
 Stamatia Fafaliou | 1 | 2 | 7 | Krystina Plíšková | 6 | 6 | ||||||||||||||
| 7 | Krystina Plíšková | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 3 | Rika Fujiwara | 6 | 77 | |||||||||||||||||
| WC | Hong Hyun-hui | 2 | 64 | 3 | Rika Fujiwara | 6 | 6 | |||||||||||||
| Ji Ha-young | 3 | 2 | WC | Kim Ji-young | 1 | 1 | ||||||||||||||
| WC | Kim Ji-young | 6 | 6 | 3 | Rika Fujiwara | 0 | 0 | |||||||||||||
| Han Sung-hee | 6 | 6 | 8 | Yaroslava Shvedova | 6 | 6 | ||||||||||||||
| WC | Oh Hee-jin | 1 | 0 | Han Sung-hee | 3 | 3 | ||||||||||||||
| WC | Choi Ji-hee | 0 | 0 | 8 | Yaroslava Shvedova | 6 | 6 | |||||||||||||
| 8 | Yaroslava Shvedova | 6 | 6 | |||||||||||||||||
| First round | Second round | Qualifying competition | ||||||||||||||||||
| 4 | Yurika Sema | 77 | 6 | |||||||||||||||||
| Remi Tezuka | 65 | 2 | 4 | Yurika Sema | 6 | 6 | ||||||||||||||
| WC | Lee So-ra | 2 | 2 | Jang Su-jeong | 2 | 4 | ||||||||||||||
| Jang Su-jeong | 6 | 6 | 4 | Yurika Sema | 3 | 6 | 77 | |||||||||||||
| Yumi Nakano | 6 | 6 | 6 | Marta Domachowska | 6 | 2 | 64 | |||||||||||||
| WC | Kim Ki-ryang | 0 | 3 | Yumi Nakano | 2 | 1 | ||||||||||||||
| WC | Yea Hyo-jung | 2 | 0 | 6 | Marta Domachowska | 6 | 6 | |||||||||||||
| 6 | Marta Domachowska | 6 | 6 | |||||||||||||||||
The 2011 Korea Open was a women's tennis tournament played on outdoor hard courts. It was the 8th edition of the Korea Open, and was part of the WTA International tournaments of the 2011 WTA Tour. It took place at the Seoul Olympic Park Tennis Center in Seoul, South Korea, from September 19 through September 25, 2010.
This article displays the women singles qualifying draw of the 2011 Toray Pan Pacific Open.
This article displays the qualifying draw of the 2011 HP Open.
Caroline Wozniacki was the defending champion, but was not allowed to participate because there were already two top 6 players in the draw.
Players and pairs who neither have high enough rankings nor receive wild cards may participate in a qualifying tournament held one week before the annual Wimbledon Tennis Championships.
Sixteen players qualified for the women's singles event in the 2012 US Open tennis championship. They were selected from 128 entrants in a three-round knockout qualifying competition.
Marion Bartoli was the defending champion, but chose not to compete.
Hsieh Su-wei was the defending champion, but she lost in the quarterfinals to Bethanie Mattek-Sands. Karolína Plíšková defeated Mattek-Sands in the final, 1–6, 7–5, 6–3, to claim her first WTA singles title.
Serena Williams was the defending champion, and successfully defended her title, defeating Jelena Janković in the final 3–6, 6–0, 6–2.
Victoria Azarenka was the defending champion, but lost to Andrea Petkovic in the first round.
Karolína Plíšková was the defending champion, but lost in the semifinals to Dominika Cibulková.
Serena Williams was the two-time defending champion, but withdrew before her quarterfinal match because of a left thigh injury.
Serena Williams was the defending champion, but lost to her sister Venus in the semifinals.
Maria Sharapova was the defending champion but lost to Svetlana Kuznetsova in the semifinals.
Serena Williams was the three-time defending champion, but lost in the fourth round to Svetlana Kuznetsova.
Petra Kvitová was the defending champion, but lost in the third round to Daria Gavrilova.
Serena Williams was the two-time defending champion, but withdrew before the tournament began due to injury.
Iga Świątek defeated Karolína Plíšková in the final, 6–0, 6–0, to win the women's singles tennis title at the 2021 Italian Open. It was Świątek's first WTA 1000 singles title, and the 13 points Świątek lost in the championship match is the fewest on record in a WTA 1000 final; Serena Williams previously held the record, from the 2015 Miami Open final. This was the first WTA singles final to be resolved with a 'double bagel' scoreline since Simona Halep defeated Anastasija Sevastova at the 2016 Bucharest Open, and was just the tenth such final in WTA history. With the win, Świątek broke into the top 10 of the WTA rankings for the first time.