Ayumi Morita Singles performance timeline Singles performance timeline

| Tournament | _2009 | _2010 | _2011 | _2012 |
|---|---|---|---|---|
| Grand Slam Tournaments | Grand Slam Tournaments | Grand Slam Tournaments | Grand Slam Tournaments | Grand Slam Tournaments |
| Australian Open | 1R | 1R | 3R | 1R |
| French Open | 1R | 1R | 2R | 2R |
| Wimbledon | 1R | 2R | 1R | 2R |
| US Open | 1R | 1R | 1R | 2R |
| Win–Loss | 0–4 | 1–4 | 3–4 | 2–3 |