Talk:2023-07-31 Porto (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 Quentin Halys (First Round)
 * align=left| 🇫🇷 FRA Benjamin Bonzi (First Round)
 * align=left| 🇫🇷 FRA Hugo Grenier (First Round)
 * align=left| 🇮🇹 ITA Luca Nardi (Champion)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇺🇸 USA Emilio Nava (Second Round)
 * align=left| 🇫🇷 FRA Antoine Escoffier (Semifinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (First Round)
 * align=left| 🇫🇷 FRA Hugo Grenier (First Round)
 * align=left| 🇮🇹 ITA Luca Nardi (Champion)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇺🇸 USA Emilio Nava (Second Round)
 * align=left| 🇫🇷 FRA Antoine Escoffier (Semifinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (First Round)
 * align=left| 🇮🇹 ITA Mattia Bellucci (First Round)
 * align=left| 🇺🇸 USA Emilio Nava (Second Round)
 * align=left| 🇫🇷 FRA Antoine Escoffier (Semifinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (First Round)
 * align=left| 🇺🇸 USA Emilio Nava (Second Round)
 * align=left| 🇫🇷 FRA Antoine Escoffier (Semifinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (First Round)
 * align=left| 🇫🇷 FRA Antoine Escoffier (Semifinals)
 * align=left| 🇱🇹 LTU Ričardas Berankis (First Round)
 * align=left| 🇱🇹 LTU Ričardas Berankis (First Round)
 * align=left| 🇱🇹 LTU Ričardas Berankis (First 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| 🇫🇷 FRA Jonathan Eysseric 🇵🇰 PAK Aisam-ul-Haq Qureshi (Semifinals)
 * align=left| 🇰🇷 KOR Nam Ji-sung 🇰🇷 KOR Song Min-kyu (First Round)
 * align=left| 🇮🇳 IND Rithvik Choudary Bollipalli 🇮🇳 IND Arjun Kadhe (Final)
 * align=left| 🇯🇵 JPN Toshihide Matsui 🇯🇵 JPN Kaito Uesugi (Champions)
 * align=left| 🇰🇷 KOR Nam Ji-sung 🇰🇷 KOR Song Min-kyu (First Round)
 * align=left| 🇮🇳 IND Rithvik Choudary Bollipalli 🇮🇳 IND Arjun Kadhe (Final)
 * align=left| 🇯🇵 JPN Toshihide Matsui 🇯🇵 JPN Kaito Uesugi (Champions)
 * align=left| 🇮🇳 IND Rithvik Choudary Bollipalli 🇮🇳 IND Arjun Kadhe (Final)
 * align=left| 🇯🇵 JPN Toshihide Matsui 🇯🇵 JPN Kaito Uesugi (Champions)
 * align=left| 🇮🇳 IND Rithvik Choudary Bollipalli 🇮🇳 IND Arjun Kadhe (Final)
 * align=left| 🇯🇵 JPN Toshihide Matsui 🇯🇵 JPN Kaito Uesugi (Champions)
 * align=left| 🇯🇵 JPN Toshihide Matsui 🇯🇵 JPN Kaito Uesugi (Champions)
 * align=left| 🇯🇵 JPN Toshihide Matsui 🇯🇵 JPN Kaito Uesugi (Champions)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw