| Doubles | |
|---|---|
| 2018 Internationaux de Strasbourg | |
| Champions |  Mihaela Buzărnescu Raluca Olaru |
| Runners-up |  Nadiia Kichenok  Anastasia Rodionova |
| Final score | 7–5, 7–5 |
Ashleigh Barty and Casey Dellacqua were the defending champions, but Dellacqua retired from professional tennis in February 2018, and Barty decided not to participate.
Mihaela Buzărnescu and Raluca Olaru won the title, defeating Nadiia Kichenok and Anastasia Rodionova in the final, 7–5, 7–5.
Chan Hao-ching / 
Yang Zhaoxuan (first round)
Shuko Aoyama / 
Renata Voráčová (first round) Nadiia Kichenok / Anastasia Rodionova (final)
Oksana Kalashnikova / 
Alla Kudryavtseva (first round)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | H-c Chan Z Yang | 6 | 4 | [2] | |||||||||||||||||||||||
| M Buzărnescu R Olaru | 3 | 6 | [10] | M Buzărnescu R Olaru | 6 | 6 | |||||||||||||||||||||
| WC |  J Tomera W Vitis | 0 | 1 |  K Kanepi  K Piter | 1 | 4 | |||||||||||||||||||||
| K Kanepi K Piter | 6 | 6 | M Buzărnescu R Olaru | 7 | 6 | ||||||||||||||||||||||
| 4 | O Kalashnikova A Kudryavtseva | 6 | 62 | [5] |  X Knoll  A Smith | 5 | 2 | ||||||||||||||||||||
| X Knoll A Smith | 2 | 77 | [10] | X Knoll A Smith | 6 | 3 | [10] | ||||||||||||||||||||
| Q Wang Y Wang | 6 | 6 | Q Wang Y Wang | 3 | 6 | [5] | |||||||||||||||||||||
M Adamczak  P Thombare | 1 | 2 | M Buzărnescu R Olaru | 7 | 7 | ||||||||||||||||||||||
J Cristian  S Kenin | 6 | 6 | 3 | N Kichenok An Rodionova | 5 | 5 | |||||||||||||||||||||
 RL Jani  T Mrdeža | 1 | 2 | J Cristian S Kenin | 3 | 7 | [7] | |||||||||||||||||||||
N Dzalamidze  M Irigoyen | 65 | 6 | [0] | 3 | N Kichenok An Rodionova | 6 | 5 | [10] | |||||||||||||||||||
| 3 | N Kichenok An Rodionova | 77 | 3 | [10] | 3 | N Kichenok An Rodionova | 6 | 7 | |||||||||||||||||||
| C Liang J Moore | 3 | 62 | L Chan  L Kumkhum | 2 | 5 | ||||||||||||||||||||||
| L Chan L Kumkhum | 6 | 77 | L Chan L Kumkhum | 6 | 6 | ||||||||||||||||||||||
| M Ninomiya Y Sizikova | 77 | 6 | M Ninomiya Y Sizikova | 2 | 4 | ||||||||||||||||||||||
| 2 | S Aoyama R Voráčová | 65 | 2 | ||||||||||||||||||||||||
Melanie Oudin was the defending champion, but lost in the first round to Ajla Tomljanović.
Nadia Petrova was the defending champion, but withdrew with a left hip injury before the tournament began.
Bethanie Mattek-Sands and Sania Mirza were the defending champions, but they decided not to participate.
Sara Errani and Roberta Vinci were the defending champions and successfully defended their title, defeating Ekaterina Makarova and Elena Vesnina in the final, 6–4, 3–6, 7–5.
Kimiko Date-Krumm and Casey Dellacqua were the defending champions, but Dellacqua decided not to participate. Date-Krumm played alongside Ajla Tomljanović, but lost to Alla Kudryavtseva and Anastasia Rodionova in the quarterfinals.
Ekaterina Makarova and Elena Vesnina were the defending champions, but lost in the second round to Julie Coin and Pauline Parmentier.
Ashleigh Barty and Casey Dellacqua were the defending champions, but lost in the final to Raquel Kops-Jones and Abigail Spears, 6–7(1–7), 1–6.
Andrea Hlaváčková and Lucie Hradecká were the defending champions, but chose not to participate together. Hlaváčková played alongside Zheng Jie, but lost in the quarterfinals to Kimiko Date-Krumm and Barbora Záhlavová-Strýcová. Hradecká teamed up with Michaëlla Krajicek, but lost in the third round to Zarina Diyas and Xu Yifan.
Ekaterina Makarova and Elena Vesnina won their second Grand Slam doubles title together, defeating Martina Hingis and Flavia Pennetta in the final, 2–6, 6–3, 6–2.
Ashleigh Barty and Casey Dellacqua were the defending champions, but chose not to participate this year.
Chuang Chia-jung and Liang Chen won the title, defeating Nadiia Kichenok and Zheng Saisai in the final, 4–6, 6–4, [12–10].
Raquel Kops-Jones and Abigail Spears were the defending champions, but Spears chose not to participate this year. Kops-Jones played alongside Anastasia Rodionova, but lost in the second round to Chuang Chia-jung and Hsieh Su-wei.
Chan Hao-ching and Chan Yung-jan won the title, defeating Casey Dellacqua and Yaroslava Shvedova in the final, 7–5, 6–4.
Alla Kudryavtseva and Anastasia Rodionova were the defending champions, but chose not to participate.
Anabel Medina Garrigues and Arantxa Parra Santonja were the defending champions, but chose not to participate this year.
Darija Jurak and Anastasia Rodionova were the defending champions, but lost in the first round to Ekaterina Makarova and Elena Vesnina.
Kiki Bertens and Johanna Larsson were the defending champions and successfully defended their title, defeating Natela Dzalamidze and Xenia Knoll in the final, 3–6, 6–3, [10–4].
Bethanie Mattek-Sands and Lucie Šafářová were the defending champions, but chose not to compete together this year. Mattek-Sands played alongside Latisha Chan, but lost in the second round to Irina Bara and Mihaela Buzărnescu. Šafářová teamed up with Svetlana Kuznetsova, but lost in the second round to Sorana Cîrstea and Sara Sorribes Tormo.
Monique Adamczak and Storm Sanders were the defending champions, but both players chose not to participate.
Latisha Chan and Martina Hingis were the defending champions, but Chan chose to compete in Birmingham and Hingis retired from professional tennis at the end of 2017.
Chan Hao-ching and Latisha Chan were the defending champions, but Latisha could not participate due to a medical condition. Hao-ching played alongside Yang Zhaoxuan, but they lost in the first round to Nadiia Kichenok and Anastasia Rodionova.
Mona Barthel and Anna-Lena Friedsam were the defending champion from when the tournament was last held in 2019, but lost in the quarterfinals to Nadiia Kichenok and Raluca Olaru.
Nadiia Kichenok and Raluca Olaru were the defending champions, but Kichenok chose not to participate. Olaru partnered Sorana Cîrstea but lost to Anastasia Potapova and Vera Zvonareva in the second round.