| Date: | 29 October – 3 November |
| Edition: | 3rd |
| Draw: | 32S / 16D / 16Q |
| Surface: | Hard |
| Champs: |  Luksika Kumkhum |
| Champd: |  Natela Dzalamidze / Veronika Kudermetova |
| Prize Money: | $125,000 |
| Location: | Mumbai, India |
| Venue: | Cricket Club of India |
| After Year: | 2024 |
The 2018 L&T Mumbai Open was a professional tennis tournament played on outdoor hard courts. It was the 3rd edition of the tournament. It was part of the 2018 WTA 125K series. It took place from 29 October to 3 November 2018 at the Cricket Club of India.[1] [2]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 China | Zheng Saisai | 47 | 1 | |
| Dalila Jakupović | 76 | 2 | ||
| Sachia Vickery | 95 | 3 | ||
 Serbia | Olga Danilović | 99 | 4 | |
| Thailand | Luksika Kumkhum | 102 | 5 | |
| Russian Federation | Margarita Gasparyan | 109 | 6 | |
| China | Zhu Lin | 115 | 7 | |
 Japan | Nao Hibino | 116 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following players received entry into the main draw as a lucky loser:
Anna Kalinskaya → replaced by Lu Jiajing Vera Zvonareva → replaced by 
Deniz Khazaniuk Julia Glushko → replaced by 
Sofia Shapatava| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Dalila Jakupović | Russian Federation | Irina Khromacheva | 94 | 1 | ||
| Japan | Nao Hibino | Georgia | Oksana Kalashnikova | 144 | 2 | |
| Russian Federation | Natela Dzalamidze | Russian Federation | Veronika Kudermetova | 179 | 3 | |
| Bibiane Schoofs |  Czech Republic | Barbora Štefková | 212 | 4 |
The following team received wildcard into the doubles main draw:
Mahak Jain / Mihika YadavSee main article: 2018 Mumbai Open – Singles.
Luksika Kumkhum def. Irina Khromacheva, 1–6, 6–2, 6–3See main article: 2018 Mumbai Open – Doubles.
Natela Dzalamidze / Veronika Kudermetova def. Bibiane Schoofs / Barbora Štefková, 6–4, 7–6(7–4)
