Talk:2023-03-06 Santiago (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| CHI Nicolás Jarry (withdrew)
 * align=left| 🇮🇹 ITA Marco Cecchinato (First Round)
 * align=left| 🇦🇷 ARG Facundo Bagnis (Quarterfinals)
 * align=left| 🇧🇴 BOL Hugo Dellien (Champion)
 * align=left| 🇦🇷 ARG Juan Manuel Cerúndolo (First Round)
 * align=left| 🇦🇷 ARG Camilo Ugo Carabelli (Second Round)
 * align=left| 🇮🇹 ITA Franco Agamenone (Quarterfinals)
 * align=left| 🇦🇷 ARG Facundo Díaz Acosta (Semifinals)
 * align=left| 🇦🇷 ARG Facundo Bagnis (Quarterfinals)
 * align=left| 🇧🇴 BOL Hugo Dellien (Champion)
 * align=left| 🇦🇷 ARG Juan Manuel Cerúndolo (First Round)
 * align=left| 🇦🇷 ARG Camilo Ugo Carabelli (Second Round)
 * align=left| 🇮🇹 ITA Franco Agamenone (Quarterfinals)
 * align=left| 🇦🇷 ARG Facundo Díaz Acosta (Semifinals)
 * align=left| 🇦🇷 ARG Juan Manuel Cerúndolo (First Round)
 * align=left| 🇦🇷 ARG Camilo Ugo Carabelli (Second Round)
 * align=left| 🇮🇹 ITA Franco Agamenone (Quarterfinals)
 * align=left| 🇦🇷 ARG Facundo Díaz Acosta (Semifinals)
 * align=left| 🇦🇷 ARG Camilo Ugo Carabelli (Second Round)
 * align=left| 🇮🇹 ITA Franco Agamenone (Quarterfinals)
 * align=left| 🇦🇷 ARG Facundo Díaz Acosta (Semifinals)
 * align=left| 🇮🇹 ITA Franco Agamenone (Quarterfinals)
 * align=left| 🇦🇷 ARG Facundo Díaz Acosta (Semifinals)
 * align=left| 🇦🇷 ARG Facundo Díaz Acosta (Semifinals)
 * align=left| 🇦🇷 ARG Facundo Díaz Acosta (Semifinals)

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| 🇪🇨 ECU Diego Hidalgo 🇨🇴 COL Cristian Rodríguez (Final)
 * align=left| 🇮🇹 ITA Luciano Darderi 🇮🇹 ITA Andrea Vavassori (First Round)
 * align=left| 🇪🇸 ESP Sergio Martos Gornés 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| PHI Ruben Gonzales 🇧🇷 BRA Fernando Romboli (Quarterfinals)
 * align=left| 🇮🇹 ITA Luciano Darderi 🇮🇹 ITA Andrea Vavassori (First Round)
 * align=left| 🇪🇸 ESP Sergio Martos Gornés 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| PHI Ruben Gonzales 🇧🇷 BRA Fernando Romboli (Quarterfinals)
 * align=left| 🇪🇸 ESP Sergio Martos Gornés 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| PHI Ruben Gonzales 🇧🇷 BRA Fernando Romboli (Quarterfinals)
 * align=left| 🇪🇸 ESP Sergio Martos Gornés 🇳🇿 NZL Artem Sitak (Quarterfinals)
 * align=left| PHI Ruben Gonzales 🇧🇷 BRA Fernando Romboli (Quarterfinals)
 * align=left| PHI Ruben Gonzales 🇧🇷 BRA Fernando Romboli (Quarterfinals)
 * align=left| PHI Ruben Gonzales 🇧🇷 BRA Fernando Romboli (Quarterfinals)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw