2003 St. Petersburg Open – Doubles
| Doubles | |
|---|---|
| 2003 St. Petersburg Open | |
| Champions |  Julian Knowle .svg.png){kind=small} Nenad Zimonjić |
| Runners-up |  Michael Kohlmann Rainer Schüttler |
| Score | 7–6(7–1), 6–3 |
David Adams and Jared Palmer were the defending champions but did not compete that year.
Julian Knowle and Nenad Zimonjić won in the final 7–6(7–1), 6–3 against Michael Kohlmann and Rainer Schüttler.
Seeds
Mahesh Bhupathi / 
Max Mirnyi (semifinals)
František Čermák / Leoš Friedl (first round)- Tomáš Cibulec / Pavel Vízner (quarterfinals)
Jonathan Erlich / Andy Ram (quarterfinals)
Draw
Key
- Q = Qualifier
- WC = Wild card
- LL = Lucky loser
- Alt = Alternate
- ITF = ITF entry
- PR = Protected ranking
- SR = Special ranking
- SE = Special exempt
- JE = Junior exempt
- JR = Junior Accelerator Programme entrant
- CO = College Accelerator Programme entrant
- NG = Next Gen Accelerator Program entrant
- w/o = Walkover
- r = Retired
- d = Defaulted
| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Bhupathi M Mirnyi
| 7 | 6 | ||||||||||||||||||||||||
| WC |  V Davletshin M Elgin
| 5 | 3 | 1 | M Bhupathi M Mirnyi
| 2 | 6 | 6 | |||||||||||||||||||
| WC | H Levy M Youzhny
| 79 | 6 | WC | H Levy M Youzhny
| 6 | 3 | 3 | |||||||||||||||||||
N Kiefer A Pavel
| 67 | 2 | 1 | M Bhupathi M Mirnyi
| 4 | 4 | |||||||||||||||||||||
| 4 | J Erlich A Ram
| 4 | 77 | 6 | J Knowle N Zimonjić
| 6 | 6 | ||||||||||||||||||||
K Braasch S Sargsian
| 6 | 65 | 1 | J Erlich A Ram
| 6 | 3 | 3 | ||||||||||||||||||||
| P Luxa D Škoch
| 4 | 65 | J Knowle N Zimonjić
| 4 | 6 | 6 | |||||||||||||||||||||
| J Knowle N Zimonjić
| 6 | 77 | J Knowle N Zimonjić
| 77 | 6 | ||||||||||||||||||||||
 A Dupuis A Olhovskiy
| 2 | 5 | M Kohlmann R Schüttler
| 61 | 3 | ||||||||||||||||||||||
| M Kohlmann R Schüttler
| 6 | 7 | M Kohlmann R Schüttler
| 77 | 6 | ||||||||||||||||||||||
| Y Kafelnikov R Štěpánek
| 3 | 0 | 3 | T Cibulec P Vízner
| 63 | 2 | |||||||||||||||||||||
| 3 | T Cibulec P Vízner
| 6 | 6 | M Kohlmann R Schüttler
| 6 | 6 | |||||||||||||||||||||
 D Hrbatý.svg.png){kind=small} T Vanhoudt
| 4 | 4 |  M García S Prieto
| 4 | 4 | ||||||||||||||||||||||
| M García S Prieto
| 6 | 6 | M García S Prieto
| w/o | |||||||||||||||||||||||
.svg.png){kind=small} I Labadze M Safin
| 77 | 6 | I Labadze M Safin
| ||||||||||||||||||||||||
| 2 | F Čermák L Friedl
| 65 | 4 | ||||||||||||||||||||||||