2023 Hamburg Ladies & Gents Cup

The 2023 Hamburg Ladies & Gents Cup was a professional tennis tournament played on indoor hard courts. It was the fourth edition of the tournament which was part of the 2023 ATP Challenger Tour and the 2023 ITF Women's World Tennis Tour. It took place in Hamburg, Germany between 16 and 22 October 2023.

Men's singles

 * 🇺🇦 Illya Marchenko def. 🇦🇹 Dennis Novak 6–2, 6–3.

Women's singles

 * Julia Avdeeva def. 🇩🇪 Ella Seidel, 6–4, 7–6(7–2)

Men's doubles

 * 🇦🇹 Dennis Novak / 🇦🇺 Akira Santillan def. 🇷🇴 Alexandru Jecan / Mick Veldheer 6–4, 3–6, [10–3].

Women's doubles

 * 🇩🇪 Tayisiya Morderger / 🇩🇪 Yana Morderger def. Julia Avdeeva /  Ekaterina Maklakova, 6–1, 6–4

Seeds

 * 1 Rankings are as of 2 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇪 Rudolf Molleker
 * 🇩🇪 Marvin Möller
 * 🇩🇪 Marko Topo

The following players received entry into the singles main draw as alternates:
 * 🇲🇰 Kalin Ivanovski
 * 🇹🇷 Ergi Kırkın

The following players received entry from the qualifying draw:
 * 🇪🇸 Javier Barranco Cosano
 * 🇩🇪 Lucas Gerch
 * 🇫🇷 Tristan Lamasine
 * 🇩🇪 Daniel Masur
 * 🇦🇺 Akira Santillan
 * 🇮🇳 Mukund Sasikumar

Seeds

 * 1 Rankings are as of 9 October 2023.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇪 Tessa Brockmann
 * 🇩🇪 Sina Herrmann
 * 🇩🇪 Julia Stusek
 * 🇧🇪 Eliessa Vanlangendonck

The following players received entry from the qualifying draw:
 * 🇮🇱 Vlada Ekshibarova
 * Alevtina Ibragimova
 * 🇩🇪 Anna Klasen
 * 🇷🇸 Aleksandra Krunić
 * 🇩🇪 Tayisiya Morderger
 * 🇩🇪 Yana Morderger
 * 🇩🇪 Johanna Silva
 * 🇧🇪 Amelia Waligora