The 2015 Sport 1 Open was a professional tennis tournament played on clay courts. It was the 23rd edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Scheveningen, Netherlands between 20 and 26 July 2015.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Robin Haase | 74 | 1 | ||
 Spain | Daniel Muñoz de la Nava | 109 | 2 | |
| Jan-Lennard Struff | 111 | 3 | ||
 Kazakhstan | Aleksandr Nedovyesov | 115 | 4 | |
| Spain | Íñigo Cervantes | 117 | 5 | |
 Georgia | Nikoloz Basilashvili | 120 | 6 | |
 Russian Federation | Andrey Kuznetsov | 121 | 7 | |
 Slovakia | Norbert Gombos | 126 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Philipp Davydenko
Artem Smirnov Roy de Valk Alexey VatutinThe following players entered received entry as lucky losers:
Alexandre Folie
Alexandre SidorenkoSee main article: 2015 Sport 1 Open – Singles.
Nikoloz Basilashvili def. Andrey Kuznetsov 6–7(3–7), 7–6(7–4), 6–3See main article: 2015 Sport 1 Open – Doubles.
Eduardo Dischinger def. Aslan Karatsev / Andrey Kuznetsov 0–0, retired