Talk:2023-07-17 Trieste (c)

The   (known as for sponsorship reasons) was a wo/men's tennis tournament played on outdoor  courts in Tokyo, Japan, that was part of the Championship series of tournaments on the  ATP Tour. It was the 22nd edition of the and was held.

Singles
{| class="wikitable" style="text-align:center;font-size:90%" !width=40| Seed !width=150| Country !width=150| Player !width=60| Result !width=190| Playing against }}
 * align=left| 🇭🇺 HUN Fábián Marozsán (Semifinals)
 * align=left| 🇪🇸 ESP Pedro Martínez (Semifinals)
 * align=left| CHI Tomás Barrios Vera (First Round)
 * align=left| 🇫🇷 FRA Hugo Gaston (Champion)
 * align=left| CHI Alejandro Tabilo (withdrew)
 * align=left| 🇮🇹 ITA Francesco Passaro (Final)
 * align=left| 🇮🇹 ITA Flavio Cobolli (Second Round)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (Second Round)
 * align=left| CHI Tomás Barrios Vera (First Round)
 * align=left| 🇫🇷 FRA Hugo Gaston (Champion)
 * align=left| CHI Alejandro Tabilo (withdrew)
 * align=left| 🇮🇹 ITA Francesco Passaro (Final)
 * align=left| 🇮🇹 ITA Flavio Cobolli (Second Round)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (Second Round)
 * align=left| CHI Alejandro Tabilo (withdrew)
 * align=left| 🇮🇹 ITA Francesco Passaro (Final)
 * align=left| 🇮🇹 ITA Flavio Cobolli (Second Round)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (Second Round)
 * align=left| 🇮🇹 ITA Francesco Passaro (Final)
 * align=left| 🇮🇹 ITA Flavio Cobolli (Second Round)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (Second Round)
 * align=left| 🇮🇹 ITA Flavio Cobolli (Second Round)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (Second Round)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (Second Round)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (Second Round)

Doubles
{| class="wikitable" style="text-align:center;font-size:90%" !width=40| Seed !width=150| Country !width=150| Player !width=60| Result !width=190| Playing against }}
 * align=left| 🇦🇷 ARG Guido Andreozzi 🇵🇰 PAK Aisam-ul-Haq Qureshi (Quarterfinals)
 * align=left| 🇮🇹 ITA Marco Bortolotti 🇮🇹 ITA Andrea Pellegrino (Final)
 * align=left| 🇧🇷 BRA Fernando Romboli 🇧🇷 BRA Marcelo Zormann (First Round)
 * align=left| 🇦🇺 AUS Matthew Romios 🇦🇺 AUS Jason Taylor (Champions)
 * align=left| 🇮🇹 ITA Marco Bortolotti 🇮🇹 ITA Andrea Pellegrino (Final)
 * align=left| 🇧🇷 BRA Fernando Romboli 🇧🇷 BRA Marcelo Zormann (First Round)
 * align=left| 🇦🇺 AUS Matthew Romios 🇦🇺 AUS Jason Taylor (Champions)
 * align=left| 🇧🇷 BRA Fernando Romboli 🇧🇷 BRA Marcelo Zormann (First Round)
 * align=left| 🇦🇺 AUS Matthew Romios 🇦🇺 AUS Jason Taylor (Champions)
 * align=left| 🇧🇷 BRA Fernando Romboli 🇧🇷 BRA Marcelo Zormann (First Round)
 * align=left| 🇦🇺 AUS Matthew Romios 🇦🇺 AUS Jason Taylor (Champions)
 * align=left| 🇦🇺 AUS Matthew Romios 🇦🇺 AUS Jason Taylor (Champions)
 * align=left| 🇦🇺 AUS Matthew Romios 🇦🇺 AUS Jason Taylor (Champions)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw