| 2018 BMW Open | ||||
|---|---|---|---|---|
| Date | 30 April – 6 May | |||
| Edition | 103rd | |||
| Category | ATP World Tour 250 series | |||
| Draw | 28S / 16D | |||
| Prize money | €501,345 | |||
| Surface | Clay | |||
| Location | Munich, Germany | |||
| Venue | MTTC Iphitos | |||
| Champions | ||||
| Singles | ||||
 Alexander Zverev[1] | ||||
| Doubles | ||||
 Ivan Dodig / Rajeev Ram[2] | ||||
| ||||
The2018 BMW Open was a men'stennis tournament played onoutdoor clay courts. It was the 103rd edition of thetournament, and part of theATP World Tour 250 series of the2018 ATP World Tour. It took place at the MTTC Iphitos complex inMunich, Germany, from 30 April until 6 May 2018. First-seededAlexander Zverev won the singles title.
Alexander Zverev defeatedPhilipp Kohlschreiber, 6–3, 6–3Ivan Dodig /Rajeev Ram defeatedNikola Mektić /
Alexander Peya, 6–3, 7–5| Country | Player | Rank1 | Seed |
|---|---|---|---|
| GER | Alexander Zverev | 3 | 1 |
 ESP | Roberto Bautista Agut | 15 | 2 |
 ARG | Diego Schwartzman | 17 | 3 |
 KOR | Chung Hyeon | 19 | 4 |
 ITA | Fabio Fognini | 20 | 5 |
| GER | Philipp Kohlschreiber | 35 | 6 |
 FRA | Gaël Monfils | 41 | 7 |
 JPN | Yūichi Sugita | 42 | 8 |
The following players receivedwildcards into the main draw:
The following players received entry asspecial exempts:
The following players received entry using a protected ranking:
The following players received entry from the qualifying draw:
Andrey Rublev → replaced by
Mikhail Kukushkin| Country | Player | Country | Player | Rank1 | Seed |
|---|---|---|---|---|---|
 POL | Łukasz Kubot |  BRA | Marcelo Melo | 2 | 1 |
| CRO | Ivan Dodig | USA | Rajeev Ram | 37 | 2 |
| CRO | Nikola Mektić | AUT | Alexander Peya | 58 | 3 |
 BLR | Max Mirnyi | AUT | Philipp Oswald | 77 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
