Tu has won one WTA Tour singles title, four WTA Tour doubles titles, four ITF Women's Circuit singles titles and three ITF Women's Circuit doubles titles.
At the 2006 DFS Classic, June 12–18, Tu reached the semi-finals but she lost to Vera Zvonareva, who then won the title.
Current Ranking: 262 (25th August2008)
| Legend (Singles) |
| Grand Slam (0) |
| WTA Championships (0) |
| Tier I Event (0) |
| WTA Tour (1) |
| ITF Circuit (4) |
| No. | Date | Tournament | Surface | Opponent in the final | Score |
| 1. | Jan 7, 2001 | Auckland, New Zealand | Hard | Paola Suarez | 7–6(10), 6–2 |