Talk:2023-04-17 Koper (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) 🇮🇹 Jasmine Paolini (Third Round)
 * 2) 🇫🇷 Léolia Jeanjean (Second Round)
 * 3) 🇭🇺 Réka Luca Jani (Quarterfinals)
 * 4) 🇷🇸 Olga Danilović (Third Round)
 * 5) 🇷🇺 Polina Kudermetova (Second Round)
 * 6) Tara Würth (Second Round)
 * 7) 🇪🇸 Aliona Bolsova (Champion)
 * 8) 🇮🇹 Nuria Brancaccio (Third Round)
 * 9) 🇦🇺 Jaimee Fourlis (Second Round)
 * 10) 🇷🇴 Jaqueline Cristian (Semifinals)
 * 11) 🇪🇸 Jéssica Bouzas Maneiro (Quarterfinals)
 * 12) Antonia Ružić (Third Round)
 * 13) 🇲🇰 Lina Gjorcheska (Second Round)
 * 14) 🇷🇴 Alexandra Cadanțu-Ignatik (Second Round)
 * 15) 🇧🇾 Kristina Dmitruk (Quarterfinals)
 * 16) Tena Lukas (Third Round)
 * 1) Tena Lukas (Third 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) 🇪🇸 Aliona Bolsova / 🇵🇱 Weronika Falkowska (Semifinals)
 * 2) Beatrice Gumulya / 🇹🇭 Peangtarn Plipuech (First Round)
 * 3) 🇷🇺 Amina Anshba / 🇷🇺 Polina Kudermetova (Quarterfinals)
 * 4) Veronika Erjavec / 🇲🇰 Lina Gjorcheska (First Round)
 * 1) Veronika Erjavec / 🇲🇰 Lina Gjorcheska (First Round)

Singles

 * Seeds
 * Draw

Doubles

 * Seeds
 * Draw