| Boys' doubles | |
|---|---|
| 2011 US Open | |
| Champion |  Robin Kern Julian Lenz |
| Runner-up |  Maxim Dubarenco  Vladyslav Manafov |
| Final score | 7–5, 6–4 |
Duilio Beretta and Oliver Golding were the defending champions but did not enter this year.
Robin Kern and Julian Lenz won the title, defeating Maxim Dubarenco and Vladyslav Manafov 7–5, 6–4 in the final.
Filip Horanský / 
Jiří Veselý (semifinals)
Luke Saville / Andrew Whittington (quarterfinals)
George Morgan / 
Dominic Thiem (semifinals) Liam Broady / Oliver Golding (quarterfinals)
Mate Pavić / 
João Pedro Sorgi (quarterfinals)
Hugo Dellien / 
Diego Hidalgo (quarterfinals) Thiago Moura Monteiro / Bruno Sant'Anna (second round) Patrick Ofner / 
Matias Sborowitz (first round)| Semifinals | Final | ||||||||||||
| 1 | Filip Horanský Jiří Veselý | 3 | 4 | ||||||||||
| Robin Kern Julian Lenz | 6 | 6 | |||||||||||
| Robin Kern Julian Lenz | 7 | 6 | |||||||||||
| Maxim Dubarenco Vladyslav Manafov | 5 | 4 | |||||||||||
| 3 | George Morgan Dominic Thiem | 68 | 4 | ||||||||||
| Maxim Dubarenco Vladyslav Manafov | 710 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | Filip Horanský Jiří Veselý | 6 | 6 | ||||||||||||||||||||||||
| WC |  Luca Corinteli Thai-Son Kwiatkowski | 3 | 2 | 1 | F Horanský J Veselý | 6 | 2 | [10] | |||||||||||||||||||
Luke Bambridge  Filip Peliwo | 3 | 1 |  K Coppejans A Pavlásek | 4 | 6 | [8] | |||||||||||||||||||||
| Kimmer Coppejans Adam Pavlásek | 6 | 6 | 1 | F Horanský J Veselý | 6 | 6 | |||||||||||||||||||||
 Karim Hossam Dennis Novikov | 69 | 6 | [0] | 6 | H Dellien D Hidalgo | 4 | 4 | ||||||||||||||||||||
| Bjorn Fratangelo Alexios Halebian | 711 | 4 | [10] | B Fratangelo A Halebian | 4 | 2 | |||||||||||||||||||||
 Jae Hwan-kim Yoshihito Nishioka | 1 | 2 | 6 | H Dellien D Hidalgo | 6 | 6 | |||||||||||||||||||||
| 6 | Hugo Dellien Diego Hidalgo | 6 | 6 | 1 | F Horanský J Veselý | 3 | 4 | ||||||||||||||||||||
| 4 | Liam Broady Oliver Golding | 7 | 6 | R Kern J Lenz | 6 | 6 | |||||||||||||||||||||
| Joris De Loore Mate Delić | 5 | 2 | 4 | L Broady O Golding | 6 | 7 | |||||||||||||||||||||
| Connor Farren Mac Styslinger | 4 | 6 | [11] | C Farren M Styslinger | 4 | 5 | |||||||||||||||||||||
| Gonzalo Lama Benjamin Ugarte | 6 | 3 | [9] | 4 | L Broady O Golding | 64 | 4 | ||||||||||||||||||||
 Marco Aurei Núñez Kaichi Uchida | 2 | 3 | R Kern J Lenz | 77 | 6 | ||||||||||||||||||||||
| Robin Kern Julian Lenz | 6 | 6 | R Kern J Lenz | 4 | 7 | [10] | |||||||||||||||||||||
| WC | JC Aragone Ronnie Schneider | 5 | 3 | 7 | TM Monteiro B Sant'anna | 6 | 5 | [7] | |||||||||||||||||||
| 7 | Thiago Moura Monteiro Bruno Sant'anna | 7 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | Mate Pavić João Pedro Sorgi | 6 | 6 | ||||||||||||||||||||||||
 Bar Botzer  Peđa Krstin | 1 | 3 | 5 | M Pavić JP Sorgi | 6 | 6 | |||||||||||||||||||||
 Wayne Montgomery Frederico Ferreira Silva | 2 | 6 | [5] | M Kruger S Vinsant | 4 | 4 | |||||||||||||||||||||
| Mitchell Krueger Shane Vinsant | 6 | 3 | [10] | 5 | M Pavić JP Sorgi | 61 | 2 | ||||||||||||||||||||
 Aslan Karatsev Evengy Karlovskiy | 6 | 0 | [10] | 3 | G Morgan D Thiem | 77 | 6 | ||||||||||||||||||||
 Jaden Grinter Jeson Patrombon | 4 | 6 | [6] | A Karatsev E Karlovskiy | 3 | 6 | [6] | ||||||||||||||||||||
| WC | Brett Clark Martin Redlicki | 4 | 5 | 3 | G Morgan D Thiem | 6 | 4 | [10] | |||||||||||||||||||
| 3 | George Morgan Dominic Thiem | 6 | 7 | 3 | G Morgan D Thiem | 68 | 4 | ||||||||||||||||||||
| 8 | Patrick Ofner Matías Sborowitz | 2 | 3 | M Dubarenco V Manafov | 710 | 6 | |||||||||||||||||||||
| Marcos Giron Ben Wagland | 6 | 6 | M Giron B Wagland | 2 | 1 | ||||||||||||||||||||||
| WC | Gage Brymer Noah Rubin | 1 | 2 | M Dubarenco V Manafov | 6 | 6 | |||||||||||||||||||||
| Maxim Dubarenco V Manafov | 6 | 6 | M Dubarenco V Manafov | 6 | 2 | [10] | |||||||||||||||||||||
| Kyle Edmund Nikola Milojević | 4 | 2 | 2 | L Saville A Whittington | 4 | 6 | [8] | ||||||||||||||||||||
Julian Cagnina Enzo Couacaud | 6 | 6 | J Cagnina E Couacaud | 2 | 4 | ||||||||||||||||||||||
Dennis Novak  Yaraslau Shyla | 7 | 3 | [8] | 2 | L Saville A Whittington | 6 | 6 | ||||||||||||||||||||
| 2 | Luke Saville Andrew Whittington | 5 | 6 | [10] | |||||||||||||||||||||||
Tomás Carbonell was the defending champion but lost in the quarterfinals to Gilbert Schaller.
Mark Knowles and Daniel Nestor were the defending champions, but lost in the final to Michaël Llodra and Fabrice Santoro.
Daniel Nestor and Nenad Zimonjić were the defending champions, but lost in the semifinals to Mahesh Bhupathi and Mark Knowles.
Bob Bryan and Mike Bryan were the defending champions, but lost in the semifinals against Lukáš Dlouhý and Leander Paes.
Daniel Nestor and Nenad Zimonjić were the defending champions and won in the final after the retirement of Mahesh Bhupathi and Max Mirnyi.
Rick Leach and David Macpherson were the defending champions but lost in the semifinals to Jan-Michael Gambill and Graydon Oliver.
The 2003 Hamburg Masters doubles was a German tennis event.
Daniel Nestor and Nenad Zimonjić were the defending champions, but lost to Mahesh Bhupathi and Max Mirnyi in the quarterfinals.
Bhupathi and Mirnyi won this tournament, by defeating Mark Knowles and Andy Ram 7–5, 7–5 in the final.
Daniel Nestor and Nenad Zimonjić were the defending champions, but decided not to participate together.
Zimonjić played alongside Michaël Llodra, but lost to Marcel Granollers and Tommy Robredo in the second round.
Nestor partnered up with Max Mirnyi, but they were eliminated by Rohan Bopanna and Aisam-ul-Haq Qureshi in the quarterfinals.
Bob Bryan and Mike Bryan won the title, defeating Juan Ignacio Chela and Bruno Soares 6–3, 6–2 in the finals.
Jack Sock was the defending champion, but participated in the men's main draw, as he was ineligible to defend his title.
Bob and Mike Bryan were the three-time defending champions, but lost to the unseeded pair Leander Paes and Radek Štěpánek, 7–6(7–1), 6–2, in the final. With this win Paes completed the career grand slam in Men's doubles.
Oliver Golding was the defending champion, but was no longer eligible to compete.
Martin Emmrich and Christopher Kas were the defending champions, but chose not to participate together. Emmrich played alongside Lukáš Rosol, but lost to Daniele Bracciali and Andrey Golubev in the semifinals. Kas teamed up with Philipp Kohlschreiber, but lost to Henri Kontinen and Jarkko Nieminen in the quarterfinals.
Kontinen and Nieminen won the title, defeating Bracciali and Golubev in the final, 6–1, 6–4.
Ivan Dodig and Marcelo Melo were the defending champions, but chose not to participate together. Dodig teamed up with Rohan Bopanna, but lost in the quarterfinals to Melo who partnered Łukasz Kubot. Kubot and Melo lost in the semifinals to Jamie Murray and Bruno Soares.
John Isner and Jack Sock were the defending champions but withdrew from their first round match.
Henri Kontinen and John Peers were the defending champions, but lost in the second round to Robert Lindstedt and Dominic Thiem.
Łukasz Kubot and Marcelo Melo were the defending champions, but lost in the quarterfinals to Marcel Granollers and Rajeev Ram.
Barbora Krejčíková and Rajeev Ram won the Mixed Doubles tennis title at the 2019 Australian Open, defeating Astra Sharma and John-Patrick Smith in the final, 7–6(7–3), 6–1.
Juan Sebastián Cabal and Robert Farah were the defending champions and successfully defended their title, defeating Raven Klaasen and Michael Venus in the final, 6–1, 6–3.
Bethanie Mattek-Sands and Jamie Murray were the defending champions and successfully defended their title, defeating Chan Hao-ching and Michael Venus in the final, 6–2, 6–3. This is the third straight Mixed Doubles title Murray has won at the US Open, following his championships in 2018 and 2017.