Challengers by country
France
31
Türkiye
29
Germany
28
Poland
20
Greece
13
Spain
12
Sweden
12
South Korea
11
Denmark
8
United Kingdom
7
Bulgaria
6
Netherlands
6
Portugal
5
Norway
5
Austria
5
Romania
3
Czech Republic
3
Russia
3
Switzerland
3
Egypt
3
Hungary
3
Belgium
3
Slovenia
3
Lithuania
3
Serbia
2
China
2
Algeria
2
Slovakia
1
Italy
1
Latvia
1
Antarctica
1
Croatia
1
Albania
1
Finland
1
Australia
1
Tunisia
1
Montenegro
1
Bosnia and Herzegovina
1
Ukraine
1
Syria
1