The 2018 Hungarian Challenger Open was a professional tennis tournament played on indoor hard courts. It was the third edition of the tournament and was a part of the 2018 ATP Challenger Tour. It took place in Budapest, Hungary between 5 and 11 February 2018.
| 2018 Hungarian Challenger Open | |
|---|---|
| Date | 5–11 February |
| Edition | 3rd |
| Surface | Hard (indoor) |
| Location | Budapest, Hungary |
| Champions | |
| Singles | |
 Vasek Pospisil | |
| Doubles | |
Félix Auger-Aliassime /  Nicola Kuhn | |
Singles main-draw entrants edit
Seeds edit
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 HUN
|
Márton Fucsovics | 63 | 1 |
| CAN
|
Vasek Pospisil | 85 | 2 |
 FRA
|
Quentin Halys | 119 | 3 |
 SWE
|
Elias Ymer | 135 | 4 |
| CAN
|
Félix Auger-Aliassime | 163 | 5 |
 EST
|
Jürgen Zopp | 171 | 6 |
 CRO
|
Viktor Galović | 181 | 7 |
 SRB
|
Nikola Milojević | 183 | 8 |
- 1 Rankings are as of January 29, 2018.
Other entrants edit
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Jeremy Jahn- Kevin Krawietz
Constant Lestienne
Andrea Pellegrino
Champions edit
Singles edit
Vasek Pospisil def. 
Nicola Kuhn 7–6(7–3), 3–6, 6–3.
Doubles edit
- Félix Auger-Aliassime / Nicola Kuhn def.
Marin Draganja / Tomislav Draganja 2–6, 6–2, [11–9].