| Men's doubles | |
|---|---|
| 2003 Kremlin Cup | |
| Champions |  Mahesh Bhupathi  Max Mirnyi |
| Runners-up |  Wayne Black Kevin Ullyett |
| Score | 6–3, 7–5 |
| Draw | 16 |
| Seeds | 4 |
Roger Federer and Max Mirnyi were the defending champions but only Mirnyi competed that year with Mahesh Bhupathi.
Bhupathi and Mirnyi won in the final 6–3, 7–5 against Wayne Black and Kevin Ullyett.
Mahesh Bhupathi / Max Mirnyi (champions)
Jonas Björkman / 
Mark Knowles (quarterfinals) Wayne Black / Kevin Ullyett (final)
František Čermák / Leoš Friedl (quarterfinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | M Bhupathi M Mirnyi | 6 | 6 | ||||||||||||||||||||||||
| T Cibulec P Vízner | 3 | 4 | 1 | M Bhupathi M Mirnyi | 6 | 6 | |||||||||||||||||||||
| WC |  D Golovanov A Olhovskiy | 6 | 6 | WC | D Golovanov A Olhovskiy | 2 | 1 | ||||||||||||||||||||
 F Mantilla  V Spadea | 3 | 1 | 1 | M Bhupathi M Mirnyi | 6 | 6 | |||||||||||||||||||||
| 4 | F Čermák L Friedl | 6 | 6 | WC | I Andreev N Davydenko | 3 | 1 | ||||||||||||||||||||
| J Levinský D Škoch | 3 | 4 | 4 | F Čermák L Friedl | 6 | 66 | 4 | ||||||||||||||||||||
| WC | I Andreev N Davydenko | 77 | 6 | WC | I Andreev N Davydenko | 3 | 78 | 6 | |||||||||||||||||||
 R Koenig  S Prieto | 65 | 3 | 1 | M Bhupathi M Mirnyi | 6 | 7 | |||||||||||||||||||||
| A Calleri F López | 4 | 3 | 3 | W Black K Ullyett | 3 | 5 | |||||||||||||||||||||
 K Kučera  D Prinosil | 6 | 6 | K Kučera D Prinosil | 3 | 77 | 3 | |||||||||||||||||||||
J I Chela  N Massú | 2 | 1 | 3 | W Black K Ullyett | 6 | 63 | 6 | ||||||||||||||||||||
| 3 | W Black K Ullyett | 6 | 6 | 3 | W Black K Ullyett | 6 | 6 | ||||||||||||||||||||
 I Labadze  S Sargsian | 64 | 6 | 7 | I Labadze S Sargsian | 4 | 4 | |||||||||||||||||||||
| Y Kafelnikov M Youzhny | 77 | 4 | 5 | I Labadze S Sargsian | 77 | 6 | |||||||||||||||||||||
| D Adams J Palmer | 2 | 3 | 2 | J Björkman M Knowles | 63 | 2 | |||||||||||||||||||||
| 2 | J Björkman M Knowles | 6 | 6 | ||||||||||||||||||||||||
Michaël Llodra and Fabrice Santoro were the defending champions, but they lost in quarterfinals 6–7(2), 5–7, against Jonas Björkman and Max Mirnyi.
Mahesh Bhupathi and Leander Paes were the defending champions. They were both present but did not compete together.
Bhupathi partnered with Martin Damm, but lost in the quarterfinals to Wayne Black and Kevin Ullyett.
Paes partnered with Nenad Zimonjić, but lost in the second round to Jonathan Erlich and Andy Ram.
Bob Bryan and Mike Bryan were the defending champions but lost in the first round to Christophe Rochus and Olivier Rochus.
Wayne Black and Kevin Ullyett were the defending champions but lost in the second round to Xavier Malisse and André Sá.
Jonas Björkman and David Prinosil were the defending champions but only Prinosil competed that year with Martin Damm.
Wayne Ferreira and Yevgeny Kafelnikov were the defending champions but lost in the second round to Wayne Black and Kevin Ullyett.
Nicklas Kulti and Max Mirnyi were the defending champions but only Mirnyi competed that year with Sandon Stolle.
Mahesh Bhupathi and Leander Paes were the defending champions but they competed with different partners that year, Bhupathi with Max Mirnyi and Paes with Michael Hill.
The 2003 Hamburg Masters doubles was a German tennis event.
Mark Knowles and Daniel Nestor were the defending champions but lost in the quarterfinals to Wayne Black and Kevin Ullyett.
Roger Federer and Max Mirnyi were the defending champions but only Mirnyi competed that year with Mahesh Bhupathi.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but did not play together this year. Bhupathi partnered Jonas Björkman, losing in the final. Mirnyi partnered Marat Safin, withdrawing from the quarterfinals.
Wayne Black and Kevin Ullyett were the defending champions, but lost in the final this year..
Mahesh Bhupathi and Max Mirnyi were the defending champions, but lost in the quarterfinals to Michaël Llodra and Fabrice Santoro.
Wayne Black and Kevin Ullyett were the defending champions, but lost in the quarterfinals to Mahesh Bhupati and Max Mirnyi.
Mark Knowles and Daniel Nestor were the defending champions, but lost in Quarterfinals to Wayne Black and Kevin Ullyett.
Wayne Black and Kevin Ullyett were the defending champions, but lost in second round to Mario Ančić and Ivan Ljubičić.
Mark Knowles and Daniel Nestor were the defending champions, but lost in semifinals to Jonas Björkman and Max Mirnyi.
Mahesh Bhupathi and Max Mirnyi were the defending champions, but played this tournament with different partners. Bhupathi teamed up with Todd Woodbridge while Mirnyi teamed up with Jonas Björkman. Both pairs were eliminated in semifinals.
Mahesh Bhupathi and Max Mirnyi defeated defending champions Wayne Arthurs and Paul Hanley 2–6, 6–3, 6–4 in the final. It was the 34th title for Bhupathi and the 20th title for Mirnyi in their respective careers.