Talk:2023-03-20 Saint-Brieuc (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| 🇫🇷 FRA Antoine Escoffier (Quarterfinals)
 * align=left| 🇦🇺 AUS Li Tu (First Round)
 * align=left| 🇫🇷 FRA Evan Furness (Semifinals)
 * align=left| POR Frederico Ferreira Silva (Second Round)
 * align=left| 🇧🇪 BEL Gauthier Onclin (Second Round)
 * align=left| 🇧🇪 BEL Raphaël Collignon (First Round)
 * align=left| 🇫🇷 FRA Harold Mayot (Quarterfinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (Champion)
 * align=left| 🇫🇷 FRA Evan Furness (Semifinals)
 * align=left| POR Frederico Ferreira Silva (Second Round)
 * align=left| 🇧🇪 BEL Gauthier Onclin (Second Round)
 * align=left| 🇧🇪 BEL Raphaël Collignon (First Round)
 * align=left| 🇫🇷 FRA Harold Mayot (Quarterfinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (Champion)
 * align=left| 🇧🇪 BEL Gauthier Onclin (Second Round)
 * align=left| 🇧🇪 BEL Raphaël Collignon (First Round)
 * align=left| 🇫🇷 FRA Harold Mayot (Quarterfinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (Champion)
 * align=left| 🇧🇪 BEL Raphaël Collignon (First Round)
 * align=left| 🇫🇷 FRA Harold Mayot (Quarterfinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (Champion)
 * align=left| 🇫🇷 FRA Harold Mayot (Quarterfinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (Champion)
 * align=left| 🇱🇹 LTU Ričardas Berankis (Champion)
 * align=left| 🇱🇹 LTU Ričardas Berankis (Champion)

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| 🇫🇷 FRA Dan Added 🇫🇷 FRA Albano Olivetti (Champions)
 * align=left| 🇫🇷 FRA Jonathan Eysseric NED David Pel (Semifinals)
 * align=left| 🇫🇮 FIN Patrik Niklas-Salminen NED Bart Stevens (Final)
 * align=left| 🇬🇧 GBR Luke Johnson NED Sem Verbeek (Semifinals)
 * align=left| 🇫🇷 FRA Jonathan Eysseric NED David Pel (Semifinals)
 * align=left| 🇫🇮 FIN Patrik Niklas-Salminen NED Bart Stevens (Final)
 * align=left| 🇬🇧 GBR Luke Johnson NED Sem Verbeek (Semifinals)
 * align=left| 🇫🇮 FIN Patrik Niklas-Salminen NED Bart Stevens (Final)
 * align=left| 🇬🇧 GBR Luke Johnson NED Sem Verbeek (Semifinals)
 * align=left| 🇫🇮 FIN Patrik Niklas-Salminen NED Bart Stevens (Final)
 * align=left| 🇬🇧 GBR Luke Johnson NED Sem Verbeek (Semifinals)
 * align=left| 🇬🇧 GBR Luke Johnson NED Sem Verbeek (Semifinals)
 * align=left| 🇬🇧 GBR Luke Johnson NED Sem Verbeek (Semifinals)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw