The host nation for the tournament is Portugal and the top seed is Portuguese tennis player Goncalo Oliveira who has an international raking of 351.
The host nation for the tournament is Austria and the top seed is Turkish tennis player Ergi Kirkin who has an international raking of 305.
The host nation for the tournament is Kazakhstan and the top seed is Japanese tennis player Moyuka Uchijima who has an international raking of 180.
The host nation for the tournament is England and the top seed is Dutch tennis player Lesley Pattinama Kerkhove who has an international raking of 142.
The host nation for the tournament is the Portugal and the top seed is French tennis player Tessah Andrianjafitrimo who has an international raking of 139.
The host nation for the tournament is the France and the top seed is French tennis player Calvin Hemery who has an international raking of 311.
The host nation for the tournament is the Germany and the top seed is Italian tennis player Thomas Fabbiano who has an international raking of 174.
The host nation for the tournament is the Germany and the top seed is Russian tennis player Darya Asthakova who has an international raking of 237.
The host nation for the tournament is the Italy and the top seed is French tennis player Chloe Paquet who has an international raking of 101.
The host nation for the tournament is the Kazakhstan and the top seed is Russian tennis player Evgeny Karlovskiy who has an international raking of 238.