Talk:2023-07-31 Liberec (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| 🇨🇿 CZE Tomáš Macháč (Second Round, Retired)
 * align=left| 🇸🇰 SVK Lukáš Klein (Second Round)
 * align=left| 🇨🇿 CZE Dalibor Svrčina (Quarterfinals)
 * align=left| 🇮🇳 IND Sumit Nagal (Second Round)
 * align=left| 🇮🇹 ITA Riccardo Bonadio (Second Round)
 * align=left| 🇸🇰 SVK Norbert Gombos (Second Round)
 * align=left| 🇨🇿 CZE Jakub Menšík (First Round, Retired)
 * align=left| 🇦🇷 ARG Francisco Comesaña (Champion)
 * align=left| 🇨🇿 CZE Dalibor Svrčina (Quarterfinals)
 * align=left| 🇮🇳 IND Sumit Nagal (Second Round)
 * align=left| 🇮🇹 ITA Riccardo Bonadio (Second Round)
 * align=left| 🇸🇰 SVK Norbert Gombos (Second Round)
 * align=left| 🇨🇿 CZE Jakub Menšík (First Round, Retired)
 * align=left| 🇦🇷 ARG Francisco Comesaña (Champion)
 * align=left| 🇮🇹 ITA Riccardo Bonadio (Second Round)
 * align=left| 🇸🇰 SVK Norbert Gombos (Second Round)
 * align=left| 🇨🇿 CZE Jakub Menšík (First Round, Retired)
 * align=left| 🇦🇷 ARG Francisco Comesaña (Champion)
 * align=left| 🇸🇰 SVK Norbert Gombos (Second Round)
 * align=left| 🇨🇿 CZE Jakub Menšík (First Round, Retired)
 * align=left| 🇦🇷 ARG Francisco Comesaña (Champion)
 * align=left| 🇨🇿 CZE Jakub Menšík (First Round, Retired)
 * align=left| 🇦🇷 ARG Francisco Comesaña (Champion)
 * align=left| 🇦🇷 ARG Francisco Comesaña (Champion)
 * align=left| 🇦🇷 ARG Francisco Comesaña (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| 🇨🇿 CZE Petr Nouza 🇨🇿 CZE Andrew Paulson (Champions)
 * align=left| 🇦🇹 AUT Neil Oberleitner 🇩🇪 GER Tim Sandkaulen (Final)
 * align=left| 🇦🇹 AUT David Pichler / 🇺🇦 Oleg Prihodko (Quarterfinals)
 * align=left| 🇦🇷 ARG Federico Agustín Gómez 🇬🇧 GBR Marcus Willis (Semifinals)
 * align=left| 🇦🇹 AUT Neil Oberleitner 🇩🇪 GER Tim Sandkaulen (Final)
 * align=left| 🇦🇹 AUT David Pichler / 🇺🇦 Oleg Prihodko (Quarterfinals)
 * align=left| 🇦🇷 ARG Federico Agustín Gómez 🇬🇧 GBR Marcus Willis (Semifinals)
 * align=left| 🇦🇹 AUT David Pichler / 🇺🇦 Oleg Prihodko (Quarterfinals)
 * align=left| 🇦🇷 ARG Federico Agustín Gómez 🇬🇧 GBR Marcus Willis (Semifinals)
 * align=left| 🇦🇹 AUT David Pichler / 🇺🇦 Oleg Prihodko (Quarterfinals)
 * align=left| 🇦🇷 ARG Federico Agustín Gómez 🇬🇧 GBR Marcus Willis (Semifinals)
 * align=left| 🇦🇷 ARG Federico Agustín Gómez 🇬🇧 GBR Marcus Willis (Semifinals)
 * align=left| 🇦🇷 ARG Federico Agustín Gómez 🇬🇧 GBR Marcus Willis (Semifinals)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw