| ATP | WTA |
| ATP Players - A | ||||
| A | ||||
| Name | Country | Handedness | ||
| Jose Acasuso | Argentina | R | ||
| Bruno Agostinelli | ||||
| Jorge Aguilar | Chile | R | ||
| Francesco Aldi | Italy | R | ||
| Nicolas Almagro | Spain | R | ||
| Thiago Alves | Brazil | R | ||
| Prakash Amritraj | United States | R | ||
| Mario Ancic | Croatia | R | ||
| Andrew Anderson | South Africa | R | ||
| Kevin Anderson | South Africa | R | ||
| Igor Andreev | Russia | R | ||
| Pablo Andujar | Spain | R | ||
| Juan-Martin Aranguren | R | |||
| Hugo Armando | United States | R | ||
| Lucas Arnold Ker | Argentina | R | ||
| Thierry Ascione | France | R | ||
| Simon Aspelin | Sweden | R | ||
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