| Most improved players during the past 12 months | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rank | last/PR | old/PR | PR/inc | Name | Rank | last/PR | old/PR | PR/inc | Name | Rank | last/PR | old/PR | PR/inc | Name |
| 1 | 54.84 | 48.20 | 6.65 | Chen, Hong | 5 | 57.37 | 55.53 | 1.84 | Rosenthal, Ernest | 9 | 50.40 | 50.15 | 0.24 | Ramsey, Gay |
| 2 | 59.29 | 54.50 | 4.79 | Fabian, Stephen | 6 | 52.95 | 51.25 | 1.70 | Li, zhuang | 10 | 58.18 | 57.95 | 0.23 | Raffel, John |
| 3 | 52.83 | 49.90 | 2.93 | Williams, Holli | 7 | 49.08 | 48.00 | 1.09 | Simon, Barbara | 11 | 57.37 | 57.29 | 0.08 | Plummer, Jody |
| 4 | 53.11 | 51.20 | 1.91 | Hartline, Robert | 8 | 55.98 | 54.91 | 1.07 | Kissane, Susanne | 12 | 58.20 | 58.14 | 0.07 | Holzman, Richard |