Martin Damm and Robert Lindstedt were the defending champions, but they chose to not compete together.
Damm partnered up with Oliver Marach, but they were eliminated by Rohan Bopanna and Aisam-ul-Haq Qureshi in the first round.
Lindstedt chose to play with Horia Tecău, but they were eliminated by Marcos Baghdatis and Stanislas Wawrinka in the first round.
Mardy Fish and Mark Knowles won the title, defeating Tomáš Berdych and Radek Štěpánek 4–6, 7–6(9–7), [10–7] in the finals.
| Doubles | |
|---|---|
| 2010 Legg Mason Tennis Classic | |
| Champions |  Mardy Fish Mark Knowles |
| Runners-up |  Tomáš Berdych Radek Štěpánek |
| Score | 4–6, 7–6(9–7), [10–7] |
| Draw | 16 |
| Seeds | 4 |
Seeds edit
Daniel Nestor / 
Nenad Zimonjić (first round)
Bob Bryan / Mike Bryan (quarterfinals)
Mariusz Fyrstenberg / Marcin Matkowski (first round)
Julian Knowle / 
Andy Ram (semifinals)
Draw edit
Key edit
- 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
Draw edit
| First round | Quarterfinals | Semifinals | Finals | ||||||||||||||||||||||||
| 1 |  D Nestor N Zimonjić
| 4 | 6 | [8] | |||||||||||||||||||||||
| T Berdych R Štěpánek
| 6 | 4 | [10] | T Berdych R Štěpánek
| w/o | ||||||||||||||||||||||
| J Isner S Querrey
| ALT |  A Golubev D Istomin
| |||||||||||||||||||||||||
| ALT | A Golubev D Istomin
| w/o | T Berdych R Štěpánek
| 5 | 6 | [10] | |||||||||||||||||||||
| 4 |  J Knowle A Ram
| 6 | 6 | 4 | J Knowle A Ram
| 7 | 2 | [4] | |||||||||||||||||||
| WC |  N Healey L Hewitt
| 3 | 2 | 4 | J Knowle A Ram
| 6 | 78 | ||||||||||||||||||||
 R Lindstedt H Tecău
| 6 | 4 | [8] |  M Baghdatis S Wawrinka
| 3 | 66 | |||||||||||||||||||||
| M Baghdatis S Wawrinka
| 4 | 6 | [10] | T Berdych R Štěpánek
| 6 | 67 | [7] | ||||||||||||||||||||
| M Fish M Knowles
| 5 | 6 | [10] | M Fish M Knowles
| 4 | 79 | [10] | ||||||||||||||||||||
 M Melo B Soares
| 7 | 4 | [4] | M Fish M Knowles
| 6 | 7 | |||||||||||||||||||||
| S Aspelin P Hanley
| 6 | 77 | S Aspelin P Hanley
| 4 | 5 | ||||||||||||||||||||||
| 3 |  M Fyrstenberg M Matkowski
| 4 | 61 | M Fish M Knowles
| 7 | 7 | |||||||||||||||||||||
 R Bopanna A-u-H Qureshi
| 7 | 4 | [10] | R Bopanna A-u-H Qureshi
| 5 | 5 | |||||||||||||||||||||
| M Damm O Marach
| 5 | 6 | [3] | R Bopanna A-u-H Qureshi
| 78 | 7 | |||||||||||||||||||||
| WC | D Courtney M Shabaz
| 66 | 4 | 2 | B Bryan M Bryan
| 66 | 5 | ||||||||||||||||||||
| 2 | B Bryan M Bryan
| 78 | 6 | ||||||||||||||||||||||||