Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Tournament | 2008 | 2009 | 2010 | 2011 | 2012 |
| --- | --- | --- | --- | --- | --- |
| Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments |
| Australian Open | A | 1R | 1R | A | A |
| French Open | QF | A | 2R | 2R | A |
| Wimbledon | 2R | 3R | 1R | A | A |
| US Open | 1R | A | 1R | A | 2R |
| Win–Loss | 4–3 | 2–2 | 1–4 | 1–1 | 1–1 |
Question:
Name the 2010 for tournament of us open
Answer:
1R