| 2013 Slovak Open | |
|---|---|
| Date | 4–10 November |
| Edition | 14th |
| Surface | Hard (indoor) |
| Location | Bratislava, Slovakia |
| Champions | |
| Singles | |
 Lukáš Lacko | |
| Doubles | |
 Henri Kontinen /  Andreas Siljeström | |
The 2013 Slovak Open was a professional tennis tournament played on indoor hard courts. It was the 14th edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Bratislava, Slovakia between 4 and 10 November 2013.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
 CZE | Lukáš Rosol | 44 | 1 |
 AUS | Bernard Tomic | 55 | 2 |
 NED | Igor Sijsling | 70 | 3 |
| SVK | Lukáš Lacko | 74 | 4 |
 POL | Łukasz Kubot | 76 | 5 |
| CZE | Jiří Veselý | 88 | 6 |
 FRA | Kenny de Schepper | 92 | 7 |
 UKR | Sergiy Stakhovsky | 103 | 8 |
The following players received wildcards into the singles main draw:
Filip Horanský Miloslav Mečíř Jr. Lukáš Rosol Adrian SikoraThe following players received entry from the qualifying draw:
Lukáš Lacko def. Lukáš Rosol 6–4, 4–6, 6–4 Henri Kontinen / Andreas Siljeström def. 
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