| Date: | 14–20 July |
| Edition: | 108th |
| Surface: | Clay / outdoor |
| Category: | ATP World Tour 500 |
| Prize Money: | €1,190,700 |
| Draw: | 48S / 16D |
| Location: | Hamburg, Germany |
| Venue: | Am Rothenbaum |
| Champs: |  Leonardo Mayer[1] |
| Champd: | Marin Draganja /  Florin Mergea[2] |
The 2014 International German Open (also known as the bet–at–home Open – German Tennis Championships 2014 for sponsorship reasons) was a men's tennis tournament played on outdoor red clay courts. It was the 108th edition of the event known that year as the International German Open and was part of the ATP World Tour 500 series of the 2014 ATP World Tour. It took place at the Am Rothenbaum in Hamburg, Germany, from 14 July through 20 July 2014. Unseeded Leonardo Mayer won the singles title.
| Event | W | F | SF | QF | Round of 16 | Round of 32 | Round of 64 | width=85 | Q | width=85 | Q2 | width=85 | Q1 |
| Singles[3] | 500 | 300 | 180 | 90 | 45 | 20 | 0 | 10 | 4 | 0 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubles | 0 |
| width=130 bgcolor=ededed | Event | width=80 bgcolor=lime | W | width=85 bgcolor=thistle | F | width=85 bgcolor=ffff00 | SF | width=85 bgcolor=ffebcd | QF | width=85 bgcolor=afeeee | Round of 16 | width=85 bgcolor=afeeee | Round of 32 | width=85 bgcolor=afeeee | Round of 64 | width=85 | Q2 | width=85 | Q1 |
| style=background:#f3f3f3 | Singles | €272,300 | €124,160 | €57,840 | €27,605 | €13,430 | €7,160 | €4,165 | €770 | €400 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#f3f3f3 | Doubles | €84,970 | €38,340 | €18,080 | €8,740 | €4,470 |
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Spain | David Ferrer | 7 | 1 | |
 Italy | Fabio Fognini | 15 | 2 | |
| Spain | Tommy Robredo | 18 | 3 | |
 Ukraine | Alexandr Dolgopolov | 19 | 4 | |
 Russian Federation | Mikhail Youzhny | 22 | 5 | |
| Spain | ||||
| Philipp Kohlschreiber | 26 | 7 | ||
| Spain | Marcel Granollers | 28 | 8 | |
| Spain | Fernando Verdasco | 29 | 9 | |
| Spain | Guillermo García-López | 32 | 10 | |
 Colombia | Santiago Giraldo | 34 | 11 | |
 France | Gilles Simon | 36 | 12 | |
| Argentina | Federico Delbonis | 38 | 13 | |
| João Sousa | 40 | 14 | ||
| Argentina | Carlos Berlocq | 41 | 15 | |
| Italy | Andreas Seppi | 45 | 16 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Nicolás Almagro → replaced by Pablo Andújar Roberto Bautista Agut → replaced by 
Thomaz Bellucci Jérémy Chardy → replaced by Pere Riba
Jiří Veselý
Denis Istomin → replaced by Albert Montañés
Jürgen Melzer → replaced by Dustin Brown Stéphane Robert → replaced by 
Dušan Lajović Filip Krajinović (stomach virus)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Austria | Alexander Peya | Brazil | Bruno Soares | 6 | 1 | |
| Spain | David Marrero | Spain | Fernando Verdasco | 25 | 2 | |
| Spain | Marcel Granollers | Spain | Marc López | 32 | 3 | |
 United Kingdom | Jamie Murray |  Australia | John Peers | 55 | 4 |
The following pairs received wildcards into the doubles main draw:
The following pair received entry from the qualifying draw:
The following pair received entry as lucky losers:
Roberto Bautista Agut (gastrointestinal illness)See main article: 2014 International German Open – Singles.
Leonardo Mayer defeated David Ferrer, 6–7(3–7), 6–1, 7–6(7–4)See main article: 2014 International German Open – Doubles.
Florin Mergea defeated Alexander Peya / Bruno Soares, 6–4, 7–5
