Challengers by country
France
39
Türkiye
26
Poland
26
Germany
26
Sweden
15
Denmark
9
Austria
8
Greece
8
Spain
8
Netherlands
7
Czech Republic
7
Italy
5
Portugal
5
Bulgaria
4
United Kingdom
3
Croatia
3
Serbia
3
Russia
3
Lithuania
3
Norway
2
Belgium
2
Romania
2
Switzerland
2
Hungary
2
Slovenia
2
Ukraine
2
Antarctica
1
Georgia
1
Morocco
1
Montenegro
1
Estonia
1
Algeria
1
Jordan
1
South Korea
1
Finland
1
United States
1
Lebanon
1
Egypt
1
Albania
1
China
1