| 2018 Marburg Open | |
|---|---|
| Date | 2–8 July |
| Edition | 9th |
| Draw | 32S / 16D |
| Surface | Clay |
| Location | Marburg, Germany |
| Champions | |
| Singles | |
 Juan Ignacio Londero | |
| Doubles | |
 Fabrício Neis /  David Vega Hernández | |
The 2018 Marburg Open was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Marburg, Germany between 2 and 8 July 2018.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 EST | Jürgen Zopp | 107 | 1 |
 GER | Yannick Hanfmann | 111 | 2 |
 BOL | Hugo Dellien | 120 | 3 |
| BRA | Thiago Monteiro | 132 | 4 |
 POR | Pedro Sousa | 135 | 5 |
| BRA | Rogério Dutra Silva | 136 | 6 |
 RUS | Alexey Vatutin | 137 | 7 |
 SUI | Henri Laaksonen | 142 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as a special exempt:
The following players received entry from the qualifying draw:
Juan Ignacio Londero def. Hugo Dellien 3–6, 7–5, 6–4. Fabrício Neis / David Vega Hernández def. Henri Laaksonen / Luca Margaroli 4–6, 6–4, [10–8].The 2010 Marburg Open was a professional tennis tournament played on outdoor red clay courts. It was part of the 2010 ATP Challenger Tour. It took place in Marburg, Germany between 21 and 27 June 2010.
The 2011 Marburg Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Marburg, Germany between 20 and 26 June 2011.
The 2012 Marburg Open was a professional tennis tournament played on hard courts. It was the third edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Marburg, Germany between 25 June and 1 July 2012.
The 2013 Marburg Open is a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which is part of the 2013 ATP Challenger Tour. It take place in Marburg, Germany between 24 and 30 June 2013.
The 2014 Marburg Open was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Marburg, Germany between 23 and 29 June 2014.
The 2015 Marburg Open was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Marburg, Germany between 29 June and 5 July 2015.
The 2016 Marburg Open was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Marburg, Germany between 27 June and 4 July 2016.
The 2017 Marburg Open was a professional tennis tournament played on clay courts. It was the eighth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Marburg, Germany between 3 and 8 July 2017.
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