| Doubles | |
|---|---|
| 2025 Oeiras Indoors | |
| Champions |  George Goldhoff Trey Hilderbrand |
| Runners-up |  Kaichi Uchida  Denis Yevseyev |
| Score | 7–5, 2–6, [10–5] |
Karol Drzewiecki and Piotr Matuszewski were the defending champions [1] but chose not to defend their title.
George Goldhoff and Trey Hilderbrand won the title after defeating Kaichi Uchida and Denis Yevseyev 7–5, 2–6, [10–5] in the final.
Luis David Martínez / 
Matías Soto (first round)
Filip Bergevi / 
Johannes Ingildsen (first round)
Cleeve Harper / 
David Stevenson (quarterfinals) Robert Cash / JJ Tracy (semifinals)| First round | Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
| 1 | LD Martínez M Soto | 1 | 4 | ||||||||||||||||||||||||
 I Liutarevich  L Sanchez | 6 | 6 | I Liutarevich L Sanchez | 63 | 4 | ||||||||||||||||||||||
| G Goldhoff T Hilderbrand | 6 | 6 | G Goldhoff T Hilderbrand | 77 | 6 | ||||||||||||||||||||||
 A Merino  C Negritu | 1 | 3 | G Goldhoff T Hilderbrand | 6 | 6 | ||||||||||||||||||||||
| 4 | R Cash JJ Tracy | 6 | 6 | 4 | R Cash JJ Tracy | 3 | 4 | ||||||||||||||||||||
| Alt |  E Kırkın B Zhukayev | 4 | 4 | 4 | R Cash JJ Tracy | 6 | 3 | [10] | |||||||||||||||||||
| L Draxl B Sigouin | 2 | 1 | WC |  P Araújo T Pereira | 4 | 6 | [5] | ||||||||||||||||||||
| WC | Pedro Araújo Tiago Pereira | 6 | 6 | G Goldhoff T Hilderbrand | 7 | 2 | [10] | ||||||||||||||||||||
 Í Cervantes D Rincón | 77 | 6 | K Uchida D Yevseyev | 5 | 6 | [5] | |||||||||||||||||||||
 A Jecan  Giorgio Ricca | 61 | 4 | Í Cervantes D Rincón | 3 | 77 | [11] | |||||||||||||||||||||
| WC | G Elias D Vale | 3 | 5 | 3 | C Harper D Stevenson | 6 | 65 | [9] | |||||||||||||||||||
| 3 | C Harper D Stevenson | 6 | 7 | Í Cervantes D Rincón | 3 | 65 | |||||||||||||||||||||
| Alt | Pol Martín Tiffon Samuel Vincent Ruggeri | 2 | 5 | K Uchida D Yevseyev | 6 | 77 | |||||||||||||||||||||
 I Sabanov M Sabanov | 6 | 7 | I Sabanov M Sabanov | 2 | 6 | [5] | |||||||||||||||||||||
| K Uchida D Yevseyev | 2 | 6 | [11] | K Uchida D Yevseyev | 6 | 3 | [10] | ||||||||||||||||||||
| 2 | F Bergevi J Ingildsen | 6 | 3 | [9] | |||||||||||||||||||||||
David Wheaton was the defending champion, but lost in the quarterfinals this year.
Defending champion Andy Murray defeated Roger Federer in the final, 7–5, 7–5 to win the men's singles tennis title at the 2010 Canadian Open. Murray became the first player since Andre Agassi in 1995 to defend the title. It was also the first time in the tournament's history that the top four seeds reached the semifinals.
Six-time defending champion Rafael Nadal defeated David Ferrer in the final, 6–4, 7–5 to win the singles tennis title at the 2011 Monte-Carlo Masters.
Novak Djokovic defeated the defending champion Rafael Nadal in the final, 7–5, 6–4 to win the men's singles tennis title at the 2011 Madrid Open. It was Djokovic's third ATP Masters 1000 title of the year, his sixth title of the year, and the 24th title of his career.
Ivan Ljubičić was the defending champion, and defended his title defeating Fernando González 6–3, 6–4, 7–5 in the final.
Scott Davis and Tim Pawsat were the defending champions. Pawsat did not enter the event that year, while Davis participated alongside David Pate.
Davis eventually defended his title with Pate, defeating Alfonso Mora and Brian Page 6–3, 7–6(7–5), in the final.
Tomás Carbonell and Donald Johnson were the defending champions, but did not participate together this year. Carbonell partnered Juan Balcells, losing in the first round. Johnson partnered Piet Norval and successfully defended his title.
Pieter Aldrich and Danie Visser were the defending champions, but lost in the first round to Paul Haarhuis and Mark Koevermans.
Scott Davis and David Pate won the title, defeating Patrick McEnroe and David Wheaton 6–1, 4–6, 6–4, 5–7, 9–7, in the final. This was Pate's first Grand Slam title and final, despite gaining the World No. 1 ranking two weeks earlier.
John Fitzgerald and Anders Järryd lost in the third round to McEnroe and Wheaton. It was their only Grand Slam loss of the year, as they won the other three majors in 1991.
Lan Bale and John-Laffnie de Jager were the defending champions, but did not participate together this year. Bale partnered Wayne Black, losing in the semifinals. de Jager partnered Christo van Rensburg, losing in the first round.
Michael Chang was the defending champion.
Patrick Galbraith and Brett Steven were the defending champions, but Galbraith did not participate this year. Steven partnered James Greenhalgh, losing in the quarterfinals.
Max Mirnyi and Horia Tecău were the defending champions, but chose not to participate together. Mirnyi played alongside Feliciano López, but lost in the quarterfinals to Julien Benneteau and Vasek Pospisil.
Tecău teamed up with Jean-Julien Rojer and successfully defended the title, defeating Benneteau and Pospisil in the final, 6–7(6–8), 7–5, [10–5].
Jason Stoltenberg and Todd Woodbridge successfully defended their title, defeating David Rikl and Tomáš Zdražila in the final, 6–4, 1–6, 7–5 to win the boys' doubles tennis title at the 1988 Wimbledon Championships.
Jacco Eltingh and Paul Haarhuis were the defending champions, but lost in second round to Jan Apell and Mike Bauer.
Pierre-Hugues Herbert and Nicolas Mahut were the defending champions, but chose not to defend their title.
Shelby Cannon and Scott Melville were the defending champions, but they lost in the second round to Ronald Agénor and Younes El Aynaoui.
Gaël Monfils was the defending champion, but chose not to defend his title.
Robin Haase and Philipp Oswald were the reigning champions from when the tournament was last held in 2019, but chose not to defend their title.
Stephen Noteboom and Fernon Wibier were the defending champions, but lost in the first round to Alex O'Brien and Richey Reneberg.
Paul Haarhuis and Mark Koevermans were the defending champions, but Koevermans did not compete this year.