Challengers by country
Poland
34
France
34
Germany
28
Türkiye
25
Spain
17
Sweden
16
Bulgaria
11
Czech Republic
9
Romania
9
Greece
9
Denmark
8
Austria
6
United Kingdom
5
Serbia
4
Portugal
4
Switzerland
3
Hungary
3
Ukraine
3
Finland
3
Lithuania
3
Netherlands
3
Italy
3
Norway
3
Belgium
2
China
2
Tunisia
2
Slovenia
2
Egypt
2
Estonia
2
Montenegro
1
Algeria
1
Ireland
1
Jordan
1
Russia
1
Antarctica
1
South Korea
1
Israel
1
Latvia
1
Philippines
1
Croatia
1
Saudi Arabia
1
Albania
1