Talk:2023-05-15 Tunis (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| CRO Borna Gojo (Semifinals)
 * align=left| 🇬🇧 GBR Liam Broady (First Round)
 * align=left| CHI Tomás Barrios Vera (Second Round)
 * align=left| 🇩🇪 GER Maximilian Marterer (Quarterfinals, Retired)
 * align=left| 🇦🇷 ARG Thiago Agustín Tirante (Second Round)
 * align=left| POR João Sousa (First Round)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇧🇦 BIH Damir Džumhur (Quarterfinals)
 * align=left| CHI Tomás Barrios Vera (Second Round)
 * align=left| 🇩🇪 GER Maximilian Marterer (Quarterfinals, Retired)
 * align=left| 🇦🇷 ARG Thiago Agustín Tirante (Second Round)
 * align=left| POR João Sousa (First Round)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇧🇦 BIH Damir Džumhur (Quarterfinals)
 * align=left| 🇦🇷 ARG Thiago Agustín Tirante (Second Round)
 * align=left| POR João Sousa (First Round)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇧🇦 BIH Damir Džumhur (Quarterfinals)
 * align=left| POR João Sousa (First Round)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇧🇦 BIH Damir Džumhur (Quarterfinals)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇧🇦 BIH Damir Džumhur (Quarterfinals)
 * align=left| 🇧🇦 BIH Damir Džumhur (Quarterfinals)
 * align=left| 🇧🇦 BIH Damir Džumhur (Quarterfinals)

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| 🇵🇱 POL Karol Drzewiecki 🇦🇹 AUT Neil Oberleitner (First Round)
 * align=left| 🇺🇸 USA Alex Lawson GRE Michail Pervolarakis (First Round)
 * align=left| 🇫🇷 FRA Théo Arribagé 🇫🇷 FRA Luca Sanchez (Champions)
 * align=left| 🇳🇴 NOR Viktor Durasovic 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| 🇺🇸 USA Alex Lawson GRE Michail Pervolarakis (First Round)
 * align=left| 🇫🇷 FRA Théo Arribagé 🇫🇷 FRA Luca Sanchez (Champions)
 * align=left| 🇳🇴 NOR Viktor Durasovic 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| 🇫🇷 FRA Théo Arribagé 🇫🇷 FRA Luca Sanchez (Champions)
 * align=left| 🇳🇴 NOR Viktor Durasovic 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| 🇫🇷 FRA Théo Arribagé 🇫🇷 FRA Luca Sanchez (Champions)
 * align=left| 🇳🇴 NOR Viktor Durasovic 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| 🇳🇴 NOR Viktor Durasovic 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| 🇳🇴 NOR Viktor Durasovic 🇳🇿 NZL Artem Sitak (Quarterfinals)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw