2018 Porsche Tennis Grand Prix – Doubles
# 2018 Porsche Tennis Grand Prix – Doubles

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.

## Seeds

* Andreja Klepač / María José Martínez Sánchez (semifinals)
* Alla Kudryavtseva / Andrea Sestini Hlaváčková (first round)
* Kiki Bertens / Demi Schuurs (quarterfinals)
* Raquel Atawo / Anna-Lena Grönefeld (champions)

## Draw

### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Draw

| First round | First round | First round | First round | First round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| 1 | A Klepač MJ Martínez Sánchez | 3 | 6 | [10] | | | | | | | | | | | | | |
| | N Kichenok An Rodionova | 6 | 2 | [3] | 1 | A Klepač MJ Martínez Sánchez | 6 | 6 | | | | | | | | | |
| | B Mattek-Sands C Vandeweghe | $7^7$ | 7 | | | B Mattek-Sands C Vandeweghe | 2 | 2 | | | | | | | | | |
| | A Parra Santonja K Srebotnik | $6^3$ | 5 | | | | | | 1 | A Klepač MJ Martínez Sánchez | 5 | 3 | | | | | |
| 4 | R Atawo A-L Grönefeld | $7^9$ | 3 | [10] | | | | | 4 | R Atawo A-L Grönefeld | 7 | 6 | | | | | |
| | M Adamczak L Kichenok | $6^7$ | 6 | [1] | 4 | R Atawo A-L Grönefeld | 6 | $7^{12}$ | | | | | | | | | |
| WC | A Lottner L Rüffer | $6^2$ | 6 | [2] | | J Ostapenko O Savchuk | 1 | $6^{10}$ | | | | | | | | | |
| | J Ostapenko O Savchuk | $7^7$ | 2 | [10] | | | | | | | | | 4 | R Atawo A-L Grönefeld | 6 | $6^5$ | [10] |
| | M Buzărnescu A Cornet | 6 | 5 | [4] | | | | | | | | | | N Melichar K Peschke | 4 | 7 | [5] |
| | V Kudermetova L Marozava | 1 | 7 | [10] | | V Kudermetova L Marozava | 6 | 7 | | | | | | | | | |
| | S Aoyama M Kato | 1 | 2 | | 3 | K Bertens D Schuurs | 1 | 5 | | | | | | | | | |
| 3 | K Bertens D Schuurs | 6 | 6 | | | | | | | V Kudermetova L Marozava | 3 | 5 | | | | | |
| | A Rosolska A Spears | 6 | 3 | [10] | | | | | | N Melichar K Peschke | 6 | 7 | | | | | |
| | C Witthöft A Zaja | 3 | 6 | [7] | | A Rosolska A Spears | 4 | 4 | | | | | | | | | |
| | N Melichar K Peschke | $7^7$ | 3 | [11] | | N Melichar K Peschke | 6 | 6 | | | | | | | | | |
| 2 | A Kudryavtseva A Sestini Hlaváčková | $6^4$ | 6 | [9] | | | | | | | | | | | | | |
