2018 BMW Open
| 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] | |
The 2018 BMW Open was a men's tennis tournament played on outdoor clay courts. It was the 103rd edition of the event, and part of the ATP World Tour 250 series of the 2018 ATP World Tour. It took place at the MTTC Iphitos complex in Munich, Germany, from 30 April until 6 May 2018.
Singles main draw entrants
Seeds
| 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 |
- Rankings are as of April 23, 2018.
Other entrants
The following players received wildcards into the main draw:
The following players received entry as special exempts:
The following players received entry using a protected ranking:
The following players received entry from the qualifying draw:
Withdrawals
- Before the tournament
Andrey Rublev → replaced by 
Mikhail Kukushkin
Retirements
Doubles main draw entrants
Seeds
| 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 |
- Rankings are as of April 23, 2018.
Other entrants
The following pairs received wildcards into the doubles main draw:
The following pair received entry as alternates:
Withdrawals
- Before the tournament
Champions
Singles
Alexander Zverev def. Philipp Kohlschreiber, 6–3, 6–3
Doubles
Ivan Dodig / 
Rajeev Ram def. Nikola Mektić / 
Alexander Peya, 6–3, 7–5