# 2010 St. Petersburg Open – Singles

Sergiy Stakhovsky was the defending champion, but lost in the first round to Benjamin Becker. Mikhail Kukushkin defeated 1st seed Mikhail Youzhny 6–3, 7–6$^{(7–2)}$ to win this tournament.

## Seeds

* Mikhail Youzhny (final)
* Sergiy Stakhovsky (first round)
* Janko Tipsarević (quarterfinals)
* Lu Yen-hsun (second round)
* Viktor Troicki (first round)
* Denis Istomin (first round, retired because of a right knee injury)
* Jérémy Chardy (first round)
* Victor Hănescu (quarterfinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Mikhail Youzhny | 7 | 4 | 7$^{10}$ | | | | |
| WC | Dmitry Tursunov | 5 | 6 | 6$^8$ | | | | |
| WC | Dmitry Tursunov | 5 | 6 | 6$^8$ | 1 | Mikhail Youzhny | 3 | 6$^2$ |
| | | | | | | Mikhail Kukushkin | 6 | 7$^7$ |
| | Mikhail Kukushkin | 6 | 6 | | | Mikhail Kukushkin | 6 | 7$^7$ |
| | Illya Marchenko | 3 | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Youzhny | 6 | 6 | | | | | | | | | | | | | | | | |
| | D Brands | 4 | 1 | | 1 | M Youzhny | 3 | 6 | 6 | | | | | | | | | | |
| WC | A Kuznetsov | 5 | 6$^2$ | | Q | E Donskoy | 6 | 3 | 2 | | | | | | | | | | |
| Q | E Donskoy | 7 | 7$^7$ | | | | | | | 1 | M Youzhny | 6$^5$ | 6 | 7$^8$ | | | | | |
| Q | R Ram | 6 | 6$^5$ | 6 | | | | | | 8 | V Hănescu | 7$^7$ | 3 | 6$^6$ | | | | | |
| | P Andújar | 3 | 7$^7$ | 3 | Q | R Ram | 6$^1$ | 6 | 3 | | | | | | | | | | |
| | H Zeballos | 2 | 0 | | 8 | V Hănescu | 7$^7$ | 3 | 6 | | | | | | | | | | |
| 8 | V Hănescu | 6 | 6 | | | | | | | | | | | | 1 | M Youzhny | 7 | 4 | 7$^{10}$ |
| 4 | Y-h Lu | 6 | 6 | | | | | | | | | | | | WC | D Tursunov | 5 | 6 | 6$^8$ |
| | P Starace | 2 | 2 | | 4 | Y-h Lu | 1 | 4 | | | | | | | | | | | |
| WC | D Tursunov | 3 | 6 | 6 | WC | D Tursunov | 6 | 6 | | | | | | | | | | | |
| | M Przysiężny | 6 | 3 | 2 | | | | | | WC | D Tursunov | 6 | 6 | | | | | | |
| | A Dolgopolov | 7$^7$ | 6 | | | | | | | | A Dolgopolov | 4 | 2 | | | | | | |
| | F Fognini | 6$^5$ | 4 | | | A Dolgopolov | 6 | 6 | | | | | | | | | | | |
| | R Schüttler | 6 | 4 | 6 | | R Schüttler | 4 | 2 | | | | | | | | | | | |
| 5 | V Troicki | 3 | 6 | 3 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals |
| 7 | J Chardy | 7$^7$ | 1 | 0 | | | | | | | | | | | | |
| | M Kukushkin | 6$^3$ | 6 | 6 | | M Kukushkin | 6 | 6 | | | | | | | | |
| | F Volandri | 6 | 3 | 2 | | T Gabashvili | 3 | 4 | | | | | | | | |
| | T Gabashvili | 3 | 6 | 6 | | | | | | M Kukushkin | 7 | 3 | 6 | | | |
| WC | I Andreev | 1 | 5 | | | | | | 3 | J Tipsarević | 5 | 6 | 4 | | | |
| | M Russell | 6 | 7 | | | M Russell | 2 | 5 | | | | | | | | |
| | I Kunitsyn | 4 | 2 | | 3 | J Tipsarević | 6 | 7 | | | | | | | | |
| 3 | J Tipsarević | 6 | 6 | | | | | | | | | | | M Kukushkin | 6 | 6 |
| 6 | D Istomin | 2 | 2$^r$ | | | | | | | | | | | I Marchenko | 3 | 4 |
| | I Marchenko | 6 | 2 | | | I Marchenko | 6 | 6 | | | | | | | | |
| Q | K Kravchuk | 6 | 6 | | Q | K Kravchuk | 4 | 4 | | | | | | | | |
| Q | F Čermák | 2 | 3 | | | | | | | I Marchenko | 6 | 2 | 6 | | | |
| | M González | 4 | 3 | | | | | | | B Becker | 4 | 6 | 2 | | | |
| | P-H Mathieu | 6 | 6 | | | P-H Mathieu | 4 | 2 | | | | | | | | |
| | B Becker | 6 | 5 | 6 | | B Becker | 6 | 6 | | | | | | | | |
| 2 | S Stakhovsky | 4 | 7 | 4 | | | | | | | | | | | | |