| Date: | 6–12 July |
| Edition: | 8th |
| Category: | ITF Women's Circuit |
| Location: | Versmold, Germany |
| Prize Money: | $50,000 |
| Champs: | Carina Witthöft |
| Champd: |  Eva Hrdinová /  Shahar Pe'er |
The 2015 Reinert Open was a professional tennis tournament played on outdoor clay courts. It was the eighth edition of the tournament and part of the 2015 ITF Women's Circuit, offering a total of $50,000 in prize money. It took place in Versmold, Germany, on 6–12 June 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Carina Witthöft | 53 | 1 | ||
 Sweden | Johanna Larsson | 73 | 2 | |
| Anna-Lena Friedsam | 87 | 3 | ||
| Israel | Shahar Pe'er | 120 | 4 | |
| Richèl Hogenkamp | 123 | 5 | ||
| Laura Siegemund | 128 | 6 | ||
 Ukraine | Maryna Zanevska | 138 | 7 | |
 Liechtenstein | Stephanie Vogt | 151 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Gabriela Pantůčková Petra RohanováThe following player received entry as a lucky loser:
Tereza MalíkováThe following player received entry by a junior exempt:
See main article: 2015 Reinert Open – Singles.
Johanna Larsson 6–3, 6–3See main article: 2015 Reinert Open – Doubles.
Eva Hrdinová / Shahar Pe'er def. Alona Fomina / Sofiya Kovalets 6–1, 6–3