Talk:2023-03-20 Biel-Bienne (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| SUI Dominic Stricker (Second Round)
 * align=left| 🇦🇹 AUT Jurij Rodionov (Champion)
 * align=left| 🇸🇰 SVK Norbert Gombos (Quarterfinals)
 * align=left| 🇬🇧 GBR Liam Broady (Final, Retired)
 * align=left| 🇫🇮 FIN Otto Virtanen (Quarterfinals)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (First Round)
 * align=left| SUI Alexander Ritschard (First Round)
 * align=left| 🇨🇦 CAN Gabriel Diallo (Quarterfinals)
 * align=left| 🇸🇰 SVK Norbert Gombos (Quarterfinals)
 * align=left| 🇬🇧 GBR Liam Broady (Final, Retired)
 * align=left| 🇫🇮 FIN Otto Virtanen (Quarterfinals)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (First Round)
 * align=left| SUI Alexander Ritschard (First Round)
 * align=left| 🇨🇦 CAN Gabriel Diallo (Quarterfinals)
 * align=left| 🇫🇮 FIN Otto Virtanen (Quarterfinals)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (First Round)
 * align=left| SUI Alexander Ritschard (First Round)
 * align=left| 🇨🇦 CAN Gabriel Diallo (Quarterfinals)
 * align=left| 🇨🇿 CZE Zdeněk Kolář (First Round)
 * align=left| SUI Alexander Ritschard (First Round)
 * align=left| 🇨🇦 CAN Gabriel Diallo (Quarterfinals)
 * align=left| SUI Alexander Ritschard (First Round)
 * align=left| 🇨🇦 CAN Gabriel Diallo (Quarterfinals)
 * align=left| 🇨🇦 CAN Gabriel Diallo (Quarterfinals)
 * align=left| 🇨🇦 CAN Gabriel Diallo (Quarterfinals)

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| 🇯🇲 JAM Dustin Brown 🇵🇰 PAK Aisam-ul-Haq Qureshi (Quarterfinals)
 * align=left| MON Romain Arneodo 🇦🇹 AUT Sam Weissborn (Quarterfinals)
 * align=left| 🇦🇺 AUS Andrew Harris 🇦🇺 AUS John-Patrick Smith (Quarterfinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Ramkumar Ramanathan (Semifinals)
 * align=left| MON Romain Arneodo 🇦🇹 AUT Sam Weissborn (Quarterfinals)
 * align=left| 🇦🇺 AUS Andrew Harris 🇦🇺 AUS John-Patrick Smith (Quarterfinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Ramkumar Ramanathan (Semifinals)
 * align=left| 🇦🇺 AUS Andrew Harris 🇦🇺 AUS John-Patrick Smith (Quarterfinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Ramkumar Ramanathan (Semifinals)
 * align=left| 🇦🇺 AUS Andrew Harris 🇦🇺 AUS John-Patrick Smith (Quarterfinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Ramkumar Ramanathan (Semifinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Ramkumar Ramanathan (Semifinals)
 * align=left| 🇮🇳 IND Sriram Balaji 🇮🇳 IND Ramkumar Ramanathan (Semifinals)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw