2018 Porsche Tennis Grand Prix – Doubles
| Doubles | |
|---|---|
| 2018 Porsche Tennis Grand Prix | |
| Champions | Raquel Atawo Anna-Lena Grönefeld |
| Runners-up | Nicole Melichar Květa Peschke |
| Score | 6–4, 6–7(5–7), [10–5] |
Raquel Atawo and Jeļena Ostapenko were the defending champions, but chose not to participate together this year. Atawo successfully defended the title alongside Anna-Lena Grönefeld, defeating Nicole Melichar and Květa Peschke in the final, 6–4, 6–7(5–7), [10–5]. Ostapenko teamed up with Olga Savchuk, but lost in the quarterfinals to Atawo and Grönefeld.