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 took place in Marburg, Germany, between 24 and 30 June 2013.[1]
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | Rubén Ramírez Hidalgo | 125 | 1 | |
 Argentina | Diego Sebastián Schwartzman | 137 | 2 | |
| Paul Capdeville | 148 | 3 | ||
| Simon Greul | 155 | 4 | ||
 France | Josselin Ouanna | 162 | 5 | |
| Jesse Huta Galung | 167 | 6 | ||
 Slovakia | Andrej Martin | 169 | 7 | |
 Kazakhstan | Andrey Golubev | 172 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Alexey VatutinThe following player received entry as special exempt:
| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Italy | Stefano Ianni | Lee Hsin-han | 257 | 1 | ||
| Jesse Huta Galung |  Australia | Jordan Kerr | 286 | 2 | ||
| Ruben Gonzales | Peng Hsien-yin | 349 | 3 | |||
| Italy | Alessandro Motti | Italy | Matteo Volante | 400 | 4 |
The following pairs received wildcards into the doubles main draw:
Lazar MagdinčevThe following pair received entry using a protected ranking:
See main article: 2013 Marburg Open – Singles.
Andrey Golubev def. Diego Sebastián Schwartzman 6–1, 6–3[2]See main article: 2013 Marburg Open – Doubles.
Andrey Golubev / Evgeny Korolev def. Jesse Huta Galung / Jordan Kerr, 6–3, 1–6, [10–6][3]