| Name |
Country |
| Mohammed Abdulla |
Qatar |
| Maximilian Abel |
Germany |
| Jose Acasuso |
Argentina |
| Jacob Adaktusson |
Sweden |
| Andre Agassi |
United States |
| Johannes Ager |
Austria |
| Jorge Aguilar |
Chile |
| Jamil Al-Agba |
United States |
| Karim Alami |
Morocco |
| Francesco Aldi |
Italy |
| Yves Allegro |
Switzerland |
| Nicolas Almagro |
Spain |
| Thiago Alves |
Brazil |
| Prakash Amritraj |
India |
| Mario Ancic |
Croatia |
| Jan Frode Andersen |
Norway |
| Kevin Anderson |
South Africa |
| Henrik Andersson |
Sweden |
| Igor Andreev |
Russia |
| Ivan Andreev |
Macedonia |
| Pablo Andujar |
Spain |
| Juan-Martin Aranguren |
Argentina |
| Hicham Arazi |
Morocco |
| Hugo Armando |
United States |
| Lucas Arnold Ker |
Argentina |
| Wayne Arthurs |
Australia |
| Thierry Ascione |
France |
| Simon Aspelin |
Sweden |
| James Auckland |
Great Britain |
| Diego Ayala |
United States |
|
| Name |
Country |
| Ivana Abramovic |
Croatia |
| Monique Adamczak |
Australia |
| Ekaterina Afinogenova |
Russia |
| Lucie Ahl |
Great Britain |
| Kristie Haerim Ahn |
United States |
| Lauren Albanese |
United States |
| Maria Fernanda Alves |
Brazil |
| Akgul Amanmuradova |
Uzbekistan |
| Sanja Ancic |
Croatia |
| Rosa Maria Andres Rodriguez |
Spain |
| Mailyne Andrieux |
France |
| Maret Ani |
Estonia |
| Khrystyna Antoniychuk |
Ukraine |
| Olena Antypina |
Ukraine |
| Maki Arai |
Japan |
| Nicole Arendt |
United States |
| Maria Jose Argeri |
Argentina |
| Greta Arn |
Germany |
| Sofia Arvidsson |
Sweden |
| Shinobu Asagoe |
Japan |
| Teryn Ashley |
United States |
| Brittany Augustine |
United States |
| Cory Ann Avants |
United States |
| Victoria Azarenka |
Belarus |
| Lubomira Bacheva |
Bulgaria |
| Angelika Bachmann |
Germany |
| Timea Bacsinszky |
Switzerland |
| Alison Bai |
Australia |
| Ally Baker |
United States |
|
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TENNIS 