The 2017 The Hague Open was a professional tennis tournament played on clay courts. It was the 25th edition of the tournament and was part of the 2017 ATP Challenger Tour. It took place in Scheveningen, Netherlands between 17 and 23 July 2017.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Robin Haase | 38 | 1 | ||
 Japan | Taro Daniel | 92 | 2 | |
| Gastão Elias | 115 | 3 | ||
 Ukraine | Sergiy Stakhovsky | 122 | 4 | |
 Belgium | Ruben Bemelmans | 124 | 5 | |
 Spain | Guillermo García López | 143 | 6 | |
 Brazil | João Souza | 150 | 7 | |
 Slovakia | Jozef Kovalík | 159 | 8 |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw using a protected ranking:
The following players received entry from the qualifying draw:
Juan Ignacio Londero
Marko TepavacThe following player received entry as a lucky loser:
See main article: 2017 The Hague Open – Singles.
Guillermo García López def. Ruben Bemelmans 6–1, 6–7(3–7), 6–2.See main article: 2017 The Hague Open – Doubles.
Sander Gillé / Joran Vliegen def. Jozef Kovalík / Stefanos Tsitsipas 6–2, 4–6, [12–10].
