Challengers by country
France
34
Germany
29
Türkiye
25
Poland
22
Sweden
16
Denmark
14
Greece
10
Spain
10
Portugal
9
Bulgaria
8
Czech Republic
8
United Kingdom
7
Romania
6
Italy
5
Norway
4
Austria
4
China
3
Ukraine
3
Netherlands
3
Lithuania
2
Serbia
2
Estonia
2
Switzerland
2
Hungary
2
Slovenia
2
Russia
2
Croatia
1
South Korea
1
Finland
1
Moldova
1
Lebanon
1
Albania
1
Slovakia
1
United States
1
Bosnia and Herzegovina
1
Montenegro
1
Belgium
1
Algeria
1