Challengers by country
France
35
Türkiye
28
Poland
27
Germany
26
Sweden
17
Bulgaria
11
Spain
11
Denmark
9
Czech Republic
9
Greece
9
Portugal
8
United Kingdom
6
Netherlands
6
Romania
5
Italy
4
Lithuania
3
Russia
3
Hungary
3
Serbia
3
China
3
Austria
3
Switzerland
2
Norway
2
Slovenia
2
Ukraine
2
Macedonia
1
South Korea
1
Estonia
1
Lebanon
1
Finland
1
Moldova
1
Croatia
1
Albania
1
Slovakia
1
Montenegro
1
Algeria
1
Bosnia and Herzegovina
1
Belgium
1
United States
1