Talk:2023-01-30 Koblenz (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| 🇨🇳 CHN Zhang Zhizhen (Second Round)
 * align=left| 🇷🇺 RUS Roman Safiullin (Champion)
 * align=left| 🇨🇦 CAN Vasek Pospisil (Final)
 * align=left| 🇩🇪 GER Maximilian Marterer (Quarterfinals, Retired)
 * align=left| 🇫🇷 FRA Hugo Grenier (Second Round)
 * align=left| 🇬🇧 GBR Liam Broady (Second Round)
 * align=left| 🇫🇷 FRA Alexandre Müller (Quarterfinals)
 * align=left| NED Gijs Brouwer (First Round)
 * align=left| 🇨🇦 CAN Vasek Pospisil (Final)
 * align=left| 🇩🇪 GER Maximilian Marterer (Quarterfinals, Retired)
 * align=left| 🇫🇷 FRA Hugo Grenier (Second Round)
 * align=left| 🇬🇧 GBR Liam Broady (Second Round)
 * align=left| 🇫🇷 FRA Alexandre Müller (Quarterfinals)
 * align=left| NED Gijs Brouwer (First Round)
 * align=left| 🇫🇷 FRA Hugo Grenier (Second Round)
 * align=left| 🇬🇧 GBR Liam Broady (Second Round)
 * align=left| 🇫🇷 FRA Alexandre Müller (Quarterfinals)
 * align=left| NED Gijs Brouwer (First Round)
 * align=left| 🇬🇧 GBR Liam Broady (Second Round)
 * align=left| 🇫🇷 FRA Alexandre Müller (Quarterfinals)
 * align=left| NED Gijs Brouwer (First Round)
 * align=left| 🇫🇷 FRA Alexandre Müller (Quarterfinals)
 * align=left| NED Gijs Brouwer (First Round)
 * align=left| NED Gijs Brouwer (First Round)
 * align=left| NED Gijs Brouwer (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 Albano Olivetti 🇺🇸 USA Hunter Reese (Semifinals)
 * align=left| 🇦🇹 AUT Philipp Oswald 🇵🇱 POL Szymon Walków (Quarterfinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Jeevan Nedunchezhiyan (First Round)
 * align=left| 🇫🇷 FRA Jonathan Eysseric 🇺🇦 UKR Denys Molchanov (Final)
 * align=left| 🇦🇹 AUT Philipp Oswald 🇵🇱 POL Szymon Walków (Quarterfinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Jeevan Nedunchezhiyan (First Round)
 * align=left| 🇫🇷 FRA Jonathan Eysseric 🇺🇦 UKR Denys Molchanov (Final)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Jeevan Nedunchezhiyan (First Round)
 * align=left| 🇫🇷 FRA Jonathan Eysseric 🇺🇦 UKR Denys Molchanov (Final)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Jeevan Nedunchezhiyan (First Round)
 * align=left| 🇫🇷 FRA Jonathan Eysseric 🇺🇦 UKR Denys Molchanov (Final)
 * align=left| 🇫🇷 FRA Jonathan Eysseric 🇺🇦 UKR Denys Molchanov (Final)
 * align=left| 🇫🇷 FRA Jonathan Eysseric 🇺🇦 UKR Denys Molchanov (Final)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw