Challengers by country
France
36
Germany
27
Türkiye
24
Poland
21
Sweden
20
Spain
10
Bulgaria
8
Czech Republic
7
Denmark
7
Netherlands
7
Greece
7
United Kingdom
6
Russia
6
South Korea
6
Serbia
5
Portugal
4
Austria
4
Slovenia
4
Slovakia
3
Romania
3
Hungary
3
Lithuania
3
Finland
2
Norway
2
Lebanon
2
Ukraine
2
Belgium
2
Libya
1
Albania
1
State of Palestine
1
Italy
1
Macedonia
1
Estonia
1
Australia
1
Egypt
1
Malta
1
Jordan
1
Croatia
1
Syria
1
Algeria
1
China
1