2021 TCCB Open

The 2021 TCCB Open was a professional women's tennis tournament played on outdoor clay courts. It was the first edition of the tournament which was part of the 2021 ITF Women's World Tennis Tour. It took place in Collonge-Bellerive, Switzerland between 30 August and 5 September 2021.

Seeds

 * 1 Rankings are as of 23 August 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * Alina Granwehr
 * Valentina Ryser
 * Sebastianna Scilipoti
 * Joanne Züger

The following players received entry from the qualifying draw:
 * 🇮🇳 Sowjanya Bavisetti
 * 🇫🇷 Estelle Cascino
 * Jenny Dürst
 * 🇷🇺 Alena Fomina-Klotz
 * 🇯🇵 Nagi Hanatani
 * 🇳🇴 Malene Helgø
 * Sandy Marti
 * Céline Naef

The following player received entry as a lucky loser:
 * 🇹🇷 İpek Öz

Singles

 * 🇧🇷 Beatriz Haddad Maia def. 🇹🇷 İpek Öz, 5–7, 6–1, 6–4

Doubles

 * 🇷🇺 Amina Anshba / 🇷🇺 Anastasia Gasanova def. 🇫🇷 Amandine Hesse / 🇩🇪 Tatjana Maria, 6–1, 6–7(6–8), [10–8]