The 2026 Dialectic Zug Open was a professional tennis tournament played on outdoor clay courts. It was the fifth edition of the tournament and part of the 2026 ATP Challenger Tour. It took place in Zug, Switzerland between 20 and 26 July 2026.

Singles main draw entrants Seeds Country Player Rank1 SeedZsombor Piros1201Tomás Barrios Vera1392Zdeněk Kolář1533Roberto Carballés Baena1654Francesco Passaro1825Jérôme Kym1866Kimmer Coppejans1997Harold Mayot2008 1 Rankings as of 13 July 2026.

Other entrants The following players received wildcards into the singles main draw: Henry Bernet Dylan Dietrich Marc-Andrea Hüsler

The following player received entry into the singles main draw through the Next Gen Accelerator programme: Thomas Faurel

The following players received entry into the singles main draw as alternates: Martin Krumich Max Hans Rehberg

The following players received entry from the qualifying draw: Mika Brunold Alexander Donski Norbert Gombos Anton Matusevich Thiago Monteiro Dominic Stricker

The following player received entry as a lucky loser: Juan Bautista Torres

Champions Singles

Thiago Seyboth Wild def. Marc-Andrea Hüsler 6–4, 6–3.

Doubles

Thijmen Loof / Kaito Uesugi def. Andrew Paulson / David Poljak 6–4, 6–2.

References