Challengers by country
France
28
Germany
21
Türkiye
18
Sweden
17
Poland
16
Spain
11
Denmark
10
Greece
8
United Kingdom
7
Netherlands
7
Switzerland
5
Bulgaria
5
Lithuania
4
Austria
4
Italy
4
Croatia
3
Norway
3
Czech Republic
3
Slovenia
3
China
3
Slovakia
2
Albania
2
Ukraine
2
Finland
2
Romania
2
Hungary
2
Algeria
2
Russia
2
Portugal
2
Malta
1
Serbia
1
Belgium
1
South Korea
1
Ireland
1
Estonia
1
Egypt
1
Montenegro
1