Same as the thread for the last 3 years, this thread will be updated when players OFFICIALLY announce their retirement from tennis in 2011.
2008 Thread:
http://www.tennisforum.com/showthread.php?t=332770
2009 Thread:
http://www.tennisforum.com/showthread.php?t=365218
2010 Thread:
http://www.tennisforum.com/showthread.php?t=398058
2011:
1. Hanna Nooni (Swe)
2. Justine Henin (Bel)
3. Tathiana Garbin (Ita)
4. Mara Santangelo (Ita)
5. Jorgelina Cravero (Arg)
6. Lucia Jara Lozano (Arg)
7. Stephanie Cohen-Aloro (Fra)
9. Tomoko Yonemura (Jpn)
10. Naomi Cavaday (Gbr)
11. Patty Schnyder (Sui)
12. Julie Ditty (USA)
13. Kimberley Couts (USA)
14. Sybille Bammer (Aut)
15. Ivana Lisjak (Cro)
16. Ana Jovanovic (Srb)
17. Katie O'Brien (Gbr)
18. Blanka Szavay (Hun)
19. Maret Ani (Est)
20. Martina Muller (Ger)
21. Magali de Lattre (Por)
22. Joanna Sakowicz-Kostecka (Pol)
23. Maureen Drake (Can)
24. Marissa Irvin (USA)
2008 Thread:
http://www.tennisforum.com/showthread.php?t=332770
2009 Thread:
http://www.tennisforum.com/showthread.php?t=365218
2010 Thread:
http://www.tennisforum.com/showthread.php?t=398058
2011:
1. Hanna Nooni (Swe)
2. Justine Henin (Bel)
3. Tathiana Garbin (Ita)
4. Mara Santangelo (Ita)
5. Jorgelina Cravero (Arg)
6. Lucia Jara Lozano (Arg)
7. Stephanie Cohen-Aloro (Fra)
9. Tomoko Yonemura (Jpn)
10. Naomi Cavaday (Gbr)
11. Patty Schnyder (Sui)
12. Julie Ditty (USA)
13. Kimberley Couts (USA)
14. Sybille Bammer (Aut)
15. Ivana Lisjak (Cro)
16. Ana Jovanovic (Srb)
17. Katie O'Brien (Gbr)
18. Blanka Szavay (Hun)
19. Maret Ani (Est)
20. Martina Muller (Ger)
21. Magali de Lattre (Por)
22. Joanna Sakowicz-Kostecka (Pol)
23. Maureen Drake (Can)
24. Marissa Irvin (USA)