2023 Internazionali di Tennis Città di Trieste

The 2023 Internazionali di Tennis Città di Trieste was a professional tennis tournament played on clay courts. It was the 4th edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Trieste, Italy between 17 and 23 July 2023.

2023 Internazionali di Tennis Città di Trieste
Date	17 – 23 July
Edition	4th
Surface	Clay
Location	Trieste, Italy
Champions
Singles
Hugo Gaston
Doubles
Matthew Romios / Jason Taylor

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
HUN	Fábián Marozsán	96	1
ESP	Pedro Martínez	122	2
CHI	Tomás Barrios Vera	133	3
FRA	Hugo Gaston	137	4
CHI	Alejandro Tabilo	145	5
ITA	Francesco Passaro	148	6
ITA	Flavio Cobolli	150	7
CZE	Zdeněk Kolář	173	8

• ¹ Rankings are as of 3 July 2023.^[1]

Other entrants

The following players received wildcards into the singles main draw:

• Enrico Dalla Valle
• Gabriele Piraino
• Marcello Serafini

The following player received entry into the singles main draw as a special exempt:

• Hugo Gaston

The following players received entry into the singles main draw as alternates:

• Mathias Bourgue
• Tseng Chun-hsin

The following players received entry from the qualifying draw:

• Peter Gojowczyk
• Kyrian Jacquet
• Stefano Napolitano
• Carlos Sánchez Jover
• Carlos Taberner
• Clément Tabur

The following players received entry as lucky losers:

• Andrey Chepelev
• Gonzalo Villanueva

Champions

Singles

Main article: 2023 Internazionali di Tennis Città di Trieste – Singles

• Hugo Gaston def. Francesco Passaro 6–3, 5–7, 6–2.

Doubles

Main article: 2023 Internazionali di Tennis Città di Trieste – Doubles

• Matthew Romios / Jason Taylor def. Marco Bortolotti / Andrea Pellegrino 4–6, 7–5, [10–6].