Talk:2023-05-01 Cagliari (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| 🇯🇵 JPN Yoshihito Nishioka (Second Round)
 * align=left| 🇺🇸 USA Ben Shelton (Semifinals)
 * align=left| 🇺🇸 USA Mackenzie McDonald (Second Round)
 * align=left| 🇷🇸 SRB Laslo Djere (Final)
 * align=left| 🇦🇷 ARG Diego Schwartzman (First Round)
 * align=left| 🇫🇷 FRA Ugo Humbert (Champion)
 * align=left| 🇮🇹 ITA Marco Cecchinato (withdrew)
 * align=left| 🇧🇷 BRA Thiago Monteiro (First Round, Retired)
 * align=left| 🇺🇸 USA Mackenzie McDonald (Second Round)
 * align=left| 🇷🇸 SRB Laslo Djere (Final)
 * align=left| 🇦🇷 ARG Diego Schwartzman (First Round)
 * align=left| 🇫🇷 FRA Ugo Humbert (Champion)
 * align=left| 🇮🇹 ITA Marco Cecchinato (withdrew)
 * align=left| 🇧🇷 BRA Thiago Monteiro (First Round, Retired)
 * align=left| 🇦🇷 ARG Diego Schwartzman (First Round)
 * align=left| 🇫🇷 FRA Ugo Humbert (Champion)
 * align=left| 🇮🇹 ITA Marco Cecchinato (withdrew)
 * align=left| 🇧🇷 BRA Thiago Monteiro (First Round, Retired)
 * align=left| 🇫🇷 FRA Ugo Humbert (Champion)
 * align=left| 🇮🇹 ITA Marco Cecchinato (withdrew)
 * align=left| 🇧🇷 BRA Thiago Monteiro (First Round, Retired)
 * align=left| 🇮🇹 ITA Marco Cecchinato (withdrew)
 * align=left| 🇧🇷 BRA Thiago Monteiro (First Round, Retired)
 * align=left| 🇧🇷 BRA Thiago Monteiro (First Round, Retired)
 * align=left| 🇧🇷 BRA Thiago Monteiro (First Round, Retired)

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| 🇦🇷 ARG Máximo González 🇦🇷 ARG Andrés Molteni (Final)
 * align=left| 🇺🇸 USA Nathaniel Lammons 🇺🇸 USA Jackson Withrow (Quarterfinals, withdrew)
 * align=left| 🇦🇹 AUT Alexander Erler 🇦🇹 AUT Lucas Miedler (Champions)
 * align=left| 🇬🇧 GBR Julian Cash 🇬🇧 GBR Henry Patten (Semifinals)
 * align=left| 🇺🇸 USA Nathaniel Lammons 🇺🇸 USA Jackson Withrow (Quarterfinals, withdrew)
 * align=left| 🇦🇹 AUT Alexander Erler 🇦🇹 AUT Lucas Miedler (Champions)
 * align=left| 🇬🇧 GBR Julian Cash 🇬🇧 GBR Henry Patten (Semifinals)
 * align=left| 🇦🇹 AUT Alexander Erler 🇦🇹 AUT Lucas Miedler (Champions)
 * align=left| 🇬🇧 GBR Julian Cash 🇬🇧 GBR Henry Patten (Semifinals)
 * align=left| 🇦🇹 AUT Alexander Erler 🇦🇹 AUT Lucas Miedler (Champions)
 * align=left| 🇬🇧 GBR Julian Cash 🇬🇧 GBR Henry Patten (Semifinals)
 * align=left| 🇬🇧 GBR Julian Cash 🇬🇧 GBR Henry Patten (Semifinals)
 * align=left| 🇬🇧 GBR Julian Cash 🇬🇧 GBR Henry Patten (Semifinals)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw