Denis Istomin Singles performance timeline Singles performance timeline

| 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 | 2R | 2R | 3R | 1R | 1R |
| French Open | A | 2R | 2R | 1R | 2R |
| Wimbledon | A | 1R | 3R | 2R | 4R |
| US Open | A | 3R | 2R | 2R | 1R |
| Win–Loss | 1–1 | 4–4 | 6–4 | 2–4 | 4–4 |
| Olympic Games | Olympic Games | Olympic Games | Olympic Games | Olympic Games | Olympic Games |
| Summer Olympics | A | Not Held | Not Held | Not Held | 3R |
| ATP Masters Series | ATP Masters Series | ATP Masters Series | ATP Masters Series | ATP Masters Series | ATP Masters Series |
| Indian Wells Masters | A | A | A | 1R | 4R |