Talk:2023-04-17 Oeiras (itf)

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 }}
 * 1) 🇨🇿 Marie Bouzková (Quarterfinals)
 * 2) 🇨🇿 Linda Nosková (First Round)
 * 3) 🇪🇬 Mayar Sherif (Semifinals)
 * 4) 🇷🇺 Anna Blinkova (Second Round)
 * 5) 🇲🇪 Danka Kovinić (Champion)
 * 6) 🇪🇸 Nuria Párrizas Díaz (Second Round)
 * 7) 🇮🇹 Sara Errani (Second Round)
 * 8) 🇭🇺 Anna Bondár (First Round)
 * 1) 🇭🇺 Anna Bondár (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 }}
 * 1) 🇳🇴 Ulrikke Eikeri / 🇯🇵 Eri Hozumi (Champions)
 * 2) Natela Dzalamidze / 🇧🇾 Lidziya Marozava (First Round)
 * 3) 🇬🇧 Alicia Barnett / 🇬🇧 Olivia Nicholls (Semifinals)
 * 4) 🇲🇽 Fernanda Contreras / 🇺🇸 Asia Muhammad (First Round)
 * 1) 🇲🇽 Fernanda Contreras / 🇺🇸 Asia Muhammad (First Round)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw