Challengers by country
France
38
Poland
33
Germany
31
Türkiye
24
Sweden
17
Spain
9
Greece
7
Bulgaria
7
Denmark
7
Austria
6
Czech Republic
6
Romania
6
Italy
6
Netherlands
5
United Kingdom
5
Finland
4
Egypt
4
Estonia
3
Serbia
3
Croatia
3
Lithuania
3
Belgium
3
Norway
3
Portugal
3
Russia
2
Algeria
2
Switzerland
2
United States
2
Antarctica
1
Slovenia
1
Jordan
1
Montenegro
1
China
1
South Korea
1
Hungary
1
Lebanon
1
Albania
1
Ireland
1
Israel
1
Palestine
1