The 2017 Advantage Cars Prague Open by Zenova was a professional tennis tournament played on outdoor clay courts. It was the 24th (men) and third (women) editions of the tournament and was part of the 2017 ATP Challenger Tour and the 13th edition of the women's tournament, this year as part of 2017 ITF Women's Circuit. It took place in Prague, Czech Republic, on 24–30 July 2017.
Men's singles main draw entrants
Seeds
1 Rankings as of 17 July 2017.
Other entrants
The following players received a wildcard into the singles main draw: Dominik Kellovský Vít Kopřiva Marek Podlešák Robin Staněk
The following player received entry into the singles main draw as a special exempt: Marko Tepavac
The following player received entry into the singles main draw as an alternate: Marek Jaloviec
The following players received entry from the qualifying draw: Maxime Chazal Juan Ignacio Galarza Lenny Hampel Jurij Rodionov
The following player received entry as a lucky loser: Roman Safiullin
Women's singles main draw entrants
Seeds
1 Rankings as of 17 July 2017.
Other entrants
The following players received a wildcard into the singles main draw: Miriam Kolodziejová Jesika Malečková Karolína Muchová Dayana Yastremska
The following player received entry by a protected ranking: Mihaela Buzărnescu
The following player received entry by a junior exempt: Anastasia Potapova
The following players received entry from the qualifying draw: Ulrikke Eikeri Anhelina Kalinina Camilla Rosatello Olga Sáez Larra
The following players received entry as lucky losers: Raluca Georgiana Șerban Chantal Škamlová
Champions
Men's singles
Andrej Martin def. Yannick Maden 7–6(7–3), 6–3.
Women's singles
Markéta Vondroušová def. Karolína Muchová, 7–5, 6–1
Men's doubles
Jan Šátral / Tristan-Samuel Weissborn def. Gero Kretschmer / Andreas Mies 6–3, 5–7, [10–3].
Women's doubles
Anastasia Potapova / Dayana Yastremska def. Mihaela Buzărnescu / Alona Fomina, 6–2, 6–2