| Singles | |
|---|---|
| 2023 Grand Est Open 88 | |
| Champion |  Arantxa Rus |
| Runner-up |  Anastasia Pavlyuchenkova |
| Score | 6–3, 6–3 |
Sara Errani was the defending champion, [1] but lost in the quarterfinals to Anastasia Pavlyuchenkova.
Arantxa Rus won the title, defeating Pavlyuchenkova in the final, 6–3, 6–3.
Tatjana Maria (first round)
Cristina Bucșa (quarterfinals)
Sara Errani (quarterfinals) Arantxa Rus (champion) Anna-Lena Friedsam (quarterfinals)
Diane Parry (second round) Clara Burel (second round) Anastasia Pavlyuchenkova (final)| Semifinals | Final | ||||||||||||
| Q |  Tereza Martincová | 2 | 0r | ||||||||||
| 8 | Anastasia Pavlyuchenkova | 6 | 1 | ||||||||||
| 8 | Anastasia Pavlyuchenkova | 3 | 3 | ||||||||||
| 4 | Arantxa Rus | 6 | 6 | ||||||||||
| 4 | Arantxa Rus | 6 | 7 | ||||||||||
| WC | Fiona Ferro | 2 | 5 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | T Maria | 3 | 62 | ||||||||||||||||||||||||
| Q | T Martincová | 6 | 77 | Q | T Martincová | 4 | 6 | 6 | |||||||||||||||||||
| WC | M Rouvroy | 1 | 4 |  H Baptiste | 6 | 3 | 2 | ||||||||||||||||||||
| H Baptiste | 6 | 6 | Q | T Martincová | 6 | 6 | |||||||||||||||||||||
 A Krunić | 6 | 3 | 6 | 5 | A-L Friedsam | 1 | 1 | ||||||||||||||||||||
 V Grammatikopoulou | 2 | 6 | 4 | A Krunić | 0 | 65 | |||||||||||||||||||||
| D Papamichail | 3 | 4 | 5 | A-L Friedsam | 6 | 77 | |||||||||||||||||||||
| 5 | A-L Friedsam | 6 | 6 | Q | T Martincová | 2 | 0r | ||||||||||||||||||||
| 3 | S Errani | 77 | 7 | 8 | A Pavlyuchenkova | 6 | 1 | ||||||||||||||||||||
| E Jacquemot | 65 | 5 | 3 | S Errani | 6 | 7 | |||||||||||||||||||||
 C Zhao | 3 | 2 | Q | A Tikhonova | 2 | 5 | |||||||||||||||||||||
| Q | A Tikhonova | 6 | 6 | 3 | S Errani | 1 | 0 | ||||||||||||||||||||
| Q |  D Jakupović | 1r | 8 | A Pavlyuchenkova | 6 | 6 | |||||||||||||||||||||
| LL | R Vicens Mas | 2 | LL | R Vicens Mas | 4 | 64 | |||||||||||||||||||||
| WC | A Hesse | 3 | 6 | 67 | 8 | A Pavlyuchenkova | 6 | 77 | |||||||||||||||||||
| 8 | A Pavlyuchenkova | 6 | 1 | 79 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 7 | C Burel | 7 | 6 | ||||||||||||||||||||||||
| B Palicová | 5 | 1 | 7 | C Burel | 6 | 1 | 3 | ||||||||||||||||||||
| M Timofeeva | 2 | 6 | 4 | E Lys | 2 | 6 | 6 | ||||||||||||||||||||
| E Lys | 6 | 2 | 6 | E Lys | 4 | 4 | |||||||||||||||||||||
 I Bara | 1 | 0 | 4 | A Rus | 6 | 6 | |||||||||||||||||||||
| E Andreeva | 6 | 6 | E Andreeva | 6 | 2 | 4 | |||||||||||||||||||||
| Q | E Kalieva | 1 | 3 | 4 | A Rus | 3 | 6 | 6 | |||||||||||||||||||
| 4 | A Rus | 6 | 6 | 4 | A Rus | 6 | 7 | ||||||||||||||||||||
| 6 | D Parry | 6 | 77 | WC | F Ferro | 2 | 5 | ||||||||||||||||||||
| K Mladenovic | 3 | 62 | 6 | D Parry | 6 | 2 | 5 | ||||||||||||||||||||
 R Šramková | 5 | 6 | 2 | WC | F Ferro | 3 | 6 | 7 | |||||||||||||||||||
| WC | F Ferro | 7 | 0 | 6 | WC | F Ferro | 6 | 6 | |||||||||||||||||||
 L Pigossi | 5 | 0 | 2 | C Bucșa | 2 | 2 | |||||||||||||||||||||
| WC | T Andrianjafitrimo | 7 | 6 | WC | T Andrianjafitrimo | 0 | 0 | ||||||||||||||||||||
| T Korpatsch | 6 | 4 | 3 | 2 | C Bucșa | 6 | 6 | ||||||||||||||||||||
| 2 | C Bucșa | 1 | 6 | 6 | |||||||||||||||||||||||
Tereza Martincová (qualified)
María Lourdes Carlé (qualifying competition) Elvina Kalieva (qualified) Rosa Vicens Mas (qualifying competition, lucky loser) Barbora Palicová (moved to main draw) Tatiana Prozorova (qualifying competition) Dalila Jakupović (qualified) Anastasia Tikhonova (qualified)| First round | Qualifying competition | ||||||||||||
| 1 | Tereza Martincová | 6 | 4 | 7 | |||||||||
| Amina Anshba | 0 | 6 | 5 | ||||||||||
| Amina Anshba | w/o | ||||||||||||
| 5 | Barbora Palicová | ||||||||||||
| First round | Qualifying competition | ||||||||||||
| 2 | María Lourdes Carlé | 4 | 4 | ||||||||||
| 7 | Dalila Jakupović | 6 | 6 | ||||||||||
| Sofya Lansere | 4 | 3 | |||||||||||
| 7 | Dalila Jakupović | 6 | 6 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 3 | Elvina Kalieva | 6 | 4 | 6 | |||||||||
| 6 | Tatiana Prozorova | 4 | 6 | 2 | |||||||||
 Kateryna Volodko | 2 | 5 | |||||||||||
| 6 | Tatiana Prozorova | 6 | 7 | ||||||||||
| First round | Qualifying competition | ||||||||||||
| 4 | Rosa Vicens Mas | 6 | 3 | 4 | |||||||||
| 8 | Anastasia Tikhonova | 4 | 6 | 6 | |||||||||
| Sarah Iliev | 6 | 1 | 0 | ||||||||||
| 8 | Anastasia Tikhonova | 3 | 6 | 6 | |||||||||
Roberta Vinci was the defending champion, but lost in the second round to Simona Halep 6–1, 6–3. Sara Errani won the tournament, beating Dominika Cibulková 6–2, 6–2 in the final.
Li Na defeated Angelique Kerber in the final, 1–6, 6–3, 6–1 to win the women's singles tennis title at the 2012 Cincinnati Masters.
Serena Williams was the defending champion, but withdrew before the tournament began.
Mona Barthel won the title, defeating Chanelle Scheepers in the final, 6–3, 7–6(7–3).
Kristýna Plíšková won the title, defeating defending champion Nao Hibino in the final, 6–3, 2–6, 6–3.
Jelena Janković was the defending champion, but lost in the semifinals to Caroline Wozniacki.
Heather Watson was the defending champion, but lost in the quarterfinals to Angelique Kerber.
Caroline Garcia was the defending champion, but lost in the semifinals to Anastasija Sevastova in a rematch of the previous year's final.
Lesia Tsurenko was the defending champion and successfully defended her title, defeating Stefanie Vögele in the final, 5–7, 7–6(7–2), 6–2.
Anastasia Pavlyuchenkova was the defending champion, but withdrew before the tournament began.
Elina Svitolina was the defending champion, but chose to compete in Stuttgart instead.
Alison Van Uytvanck was the defending champion, but chose not to participate.
Aryna Sabalenka was the defending champion, but she was ineligible to participate having qualified for 2018 WTA Elite Trophy.
Wang Qiang was the defending champion, but lost in the first round to Peng Shuai.
Margarita Gasparyan was the defending champion. but lost in the second round to Danka Kovinić.
Camila Giorgi defeated Karolína Plíšková in the final, 6–3, 7–5 to win the women's singles tennis title at the 2021 Canadian Open. It was her third career WTA Tour title, her first at the WTA 1000 level, and her first since Linz in 2018.
Anastasia Potapova defeated Veronika Kudermetova in the final, 6–3, 6–1 to win the singles title at the 2022 İstanbul Cup. It was her maiden WTA Tour title.
Defending champion Tatjana Maria defeated Peyton Stearns in the final, 6–3, 2–6, 6–4 to win the singles tennis title at the 2023 Copa Colsanitas. Maria became the first player since Fabiola Zuluaga in 2004 to successfully defend the singles title at Bogota. Stearns was contesting her first WTA Tour final.
Aryna Sabalenka defeated Iga Świątek in the final, 6–3, 3–6, 6–3 to win the women's singles tennis title at the 2023 Madrid Open. It was her fifth WTA 1000 title. This marked the first time since 2013 that the top two seeds contested the Madrid Open final. It was also the first time since 2000 that the top two players on the WTA Tour contested back-to-back finals, after Świątek won in Stuttgart the week prior.
Elena Rybakina won the women's singles tennis title at the 2023 Italian Open after Anhelina Kalinina retired from the final with the scoreline at 6–4, 1–0. It was Rybakina's second title of 2023 and second career WTA 1000 title. Rybakina won three of her six matches at the tournament via retirement: over Anna Kalinskaya in the third round, Iga Świątek in the quarterfinals, and Kalinina in the final. With the win, Rybakina entered the top five in the WTA rankings for the first time at world No. 4.
The 2023 Grand Est Open 88 was a professional women's tennis tournament played on outdoor clay courts. It was the sixteenth edition of the tournament and second as a WTA 125 event, which is also part of the 2023 WTA 125 tournaments. It took place in Contrexéville, France between 10 and 16 July 2023.