Polona Hercog Singles performance timeline Singles performance timeline

| Tournament | _2006 | _2007 | _2008 | _2009 | _2010 | _2011 | _2012 |
|---|---|---|---|---|---|---|---|
| Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments | Grand Slam tournaments |
| Australian Open | A | A | A | A | 2R | 1R | 1R |
| French Open | A | A | A | 2R | 3R | 2R | 1R |
| Wimbledon | A | A | A | LQ | 1R | 2R | 1R |
| US Open | A | A | LQ | 1R | 1R | 2R | 1R |
| Win–Loss | 0–0 | 0–0 | 0–0 | 1–2 | 3–4 | 3–4 | 0–4 |
| Olympic Games | Olympic Games | Olympic Games | Olympic Games | Olympic Games | Olympic Games | Olympic Games | Olympic Games |
| Summer Olympics | Not Held | Not Held | A | Not Held | Not Held | Not Held | 1R |