Challengers by country
France
21
Poland
18
Germany
15
Türkiye
14
Sweden
8
Greece
7
Denmark
6
South Korea
5
Netherlands
4
Romania
4
United Kingdom
4
Spain
4
Bulgaria
3
Serbia
3
Czech Republic
3
Portugal
2
Norway
2
Albania
2
Ukraine
2
Austria
2
Lithuania
2
Croatia
2
Slovakia
1
Italy
1
Switzerland
1
Estonia
1
Macedonia
1
China
1
Finland
1
Egypt
1
Russia
1
Latvia
1
Hungary
1
Slovenia
1
United States
1
Canada
1