Guillermo García-López Performance timelines Singles

| Tournament | _2004 | _2005 | _2006 | _2007 | _2008 | _2009 | _2010 | _2011 | _2012 | _2013 | _2014 | W_L_ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Australian Open | A | 2R | 2R | 2R | 3R | 2R | 1R | 3R | 1R | 1R | 2R | 9–10 |
| French Open | 2R | 1R | 1R | 2R | 2R | 1R | 2R | 3R | 1R | 1R |  | 6–10 |
| Wimbledon | A | 2R | 2R | 1R | 3R | 2R | 1R | 2R | 2R | 1R |  | 7–9 |
| US Open | A | 1R | 1R | 1R | 2R | 2R | 2R | 2R | 2R | 1R |  | 5–9 |
| Win–Loss | 1–1 | 2–4 | 2–4 | 2–4 | 6–4 | 3–4 | 2–4 | 6–4 | 2–4 | 0–4 | 1–1 | 27–38 |
| Indian Wells Masters | A | A | A | 3R | 2R | 1R | 4R | 2R | 3R | A | A | 8–6 |
| Miami Masters | A | A | A | 2R | 1R | 1R | 2R | 2R | 2R | A |  | 3–6 |