| Boys' singles | |
|---|---|
| 2012 US Open | |
| Champion |  Filip Peliwo |
| Runner-up |  Liam Broady |
| Score | 6–2, 2–6, 7–5 |
Oliver Golding was the defending champion, but was no longer eligible to compete.
Filip Peliwo won the 2012 title defeating Liam Broady in the final 6–2, 2–6, 7–5, claiming his second consecutive and overall junior grand slam title, having previously won the 2012 Wimbledon Boys' title.
Kimmer Coppejans (quarterfinals) Filip Peliwo (champion)
Gianluigi Quinzi (quarterfinals)
Thiago Monteiro (second round)
Mitchell Krueger (first round)
Nikola Milojević (first round)
Nick Kyrgios (quarterfinals)
Kaichi Uchida (semifinals)
Frederico Ferreira Silva (third round) Stefano Napolitano (first round, retired)
Daniel Masur (second round) Joshua Ward-Hibbert (second round) Liam Broady (final) Noah Rubin (first round) Mackenzie McDonald (first round) Julien Cagnina (third round)
Maxime Hamou 
José António Salazar Martín Michael Mmoh 
Or Ram-Harel Vasco Mensurado
Sumit Nagal Shotaro Goto
Karen Khachanov | Quarterfinals | Semifinals | Final | ||||||||||||||||||
| 1 | Kimmer Coppejans | 1 | 4 | |||||||||||||||||
| 8 | Kaichi Uchida | 6 | 6 | |||||||||||||||||
| 8 | Kaichi Uchida | 1 | 1 | |||||||||||||||||
| 13 | Liam Broady | 6 | 6 | |||||||||||||||||
| 13 | Liam Broady | 78 | 77 | |||||||||||||||||
 Wayne Montgomery | 66 | 64 | ||||||||||||||||||
| 13 | Liam Broady | 2 | 6 | 5 | ||||||||||||||||
| 2 | Filip Peliwo | 6 | 2 | 7 | ||||||||||||||||
| Yoshihito Nishioka | 65 | 6 | 6 | |||||||||||||||||
| 3 | Gianluigi Quinzi | 77 | 3 | 0 | ||||||||||||||||
| Yoshihito Nishioka | 4 | 0 | ||||||||||||||||||
| 2 | Filip Peliwo | 6 | 6 | |||||||||||||||||
| 7 | Nick Kyrgios | 6 | 3 | 4 | ||||||||||||||||
| 2 | Filip Peliwo | 2 | 6 | 6 | ||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 1 | Kimmer Coppejans | 7 | 6 | ||||||||||||||||||||||||
| Matteo Donati | 5 | 2 | 1 | K Coppejans | 6 | 6 | |||||||||||||||||||||
| Q | Karen Khachanov | 77 | 78 | Q | K Khachanov | 1 | 2 | ||||||||||||||||||||
 Václav Šafránek | 62 | 66 | 1 | K Coppejans | 6 | 6 | |||||||||||||||||||||
 Franko Miočić | 2 | 2 |  H Chung | 2 | 3 | ||||||||||||||||||||||
| Quentin Halys | 6 | 6 | Q Halys | 67 | 3 | ||||||||||||||||||||||
| Chung Hyeon | 6 | 3 | 6 | H Chung | 79 | 6 | |||||||||||||||||||||
| 15 | Mackenzie McDonald | 3 | 6 | 0 | 1 | K Coppejans | 1 | 4 | |||||||||||||||||||
| 11 | Daniel Masur | 6 | 4 | 7 | 8 | K Uchida | 6 | 6 | |||||||||||||||||||
 Karim Hossam | 3 | 6 | 5 | 11 | D Masur | 3 | 4 | ||||||||||||||||||||
| Luke Bambridge | 4 | 3 | H Adams | 6 | 6 | ||||||||||||||||||||||
| Harrison Adams | 6 | 6 | H Adams | 5 | 65 | ||||||||||||||||||||||
| Alexios Halebian | 67 | 3 | 8 | K Uchida | 7 | 77 | |||||||||||||||||||||
 Christian Garin | 79 | 6 | C Garin | 3 | 4 | ||||||||||||||||||||||
| Q | Sumit Nagal | 6 | 1 | 1 | 8 | K Uchida | 6 | 6 | |||||||||||||||||||
| 8 | Kaichi Uchida | 4 | 6 | 6 | |||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 4 | Thiago Monteiro | 5 | 6 | 7 | |||||||||||||||||||||||
 Lucas Gómez | 7 | 2 | 5 | 4 | T Monteiro | 1 | 3 | ||||||||||||||||||||
| Q | Maxime Hamou | 77 | 77 | Q | M Hamou | 6 | 6 | ||||||||||||||||||||
| Thai-Son Kwiatkowski | 63 | 64 | Q | M Hamou | 77 | 4 | 3 | ||||||||||||||||||||
| Jared Donaldson | 6 | 3 | 4 | 13 | L Broady | 65 | 6 | 6 | |||||||||||||||||||
 Herkko Pöllänen | 1 | 6 | 6 | H Pöllänen | 1 | 5 | |||||||||||||||||||||
| Q | José António Salazar Martín | 4 | 3 | 13 | L Broady | 6 | 7 | ||||||||||||||||||||
| 13 | Liam Broady | 6 | 6 | 13 | L Broady | 78 | 77 | ||||||||||||||||||||
| 10 | Stefano Napolitano | 3 | 6 | 2r | W Montgomery | 66 | 64 | ||||||||||||||||||||
| Stefan Kozlov | 6 | 4 | 4 | S Kozlov | 6 | 66 | 6 | ||||||||||||||||||||
 Elias Ymer | 3 | 6 | 3 | J Thompson | 3 | 78 | 3 | ||||||||||||||||||||
| Jordan Thompson | 6 | 2 | 6 | S Kozlov | 2 | 3 | |||||||||||||||||||||
| Wayne Montgomery | 6 | 6 | W Montgomery | 6 | 6 | ||||||||||||||||||||||
| Q | Vasco Mensurado | 2 | 2 | W Montgomery | 6 | 6 | |||||||||||||||||||||
| Q | Or Ram-Harel | 6 | 5 | 6 | Q | O Ram-Harel | 1 | 3 | |||||||||||||||||||
| 5 | Mitchell Krueger | 4 | 7 | 3 | |||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 6 | Nikola Milojević | 2 | 1 | ||||||||||||||||||||||||
| Maximilian Marterer | 6 | 6 | M Marterer | 7 | 6 | ||||||||||||||||||||||
| Enzo Couacaud | 6 | 6 | E Couacaud | 5 | 3 | ||||||||||||||||||||||
| Henrik Wiersholm | 2 | 2 | M Marterer | 5 | 3 | ||||||||||||||||||||||
| Ronnie Schneider | 4 | 6 | 1 | Y Nishioka | 7 | 6 | |||||||||||||||||||||
| Yoshihito Nishioka | 6 | 1 | 6 | Y Nishioka | 2 | 6 | 6 | ||||||||||||||||||||
| Kang Ku-keon | 4 | 2 | 12 | J Ward-Hibbert | 6 | 1 | 2 | ||||||||||||||||||||
| 12 | Joshua Ward-Hibbert | 6 | 6 | Y Nishioka | 65 | 6 | 6 | ||||||||||||||||||||
| 16 | Julien Cagnina | 7 | 6 | 3 | G Quinzi | 77 | 3 | 0 | |||||||||||||||||||
 Mikael Torpegaard | 5 | 4 | 16 | J Cagnina | 6 | 6 | |||||||||||||||||||||
| Q | Michael Mmoh | 6 | 6 | Q | M Mmoh | 3 | 3 | ||||||||||||||||||||
| Gabriel Friedrich | 4 | 3 | 16 | J Cagnina | 6 | 2 | 1 | ||||||||||||||||||||
| Borna Ćorić | 65 | 6 | 6 | 3 | G Quinzi | 3 | 6 | 6 | |||||||||||||||||||
 Temur Ismailov | 77 | 0 | 1 | B Ćorić | 1 | 77 | 3 | ||||||||||||||||||||
| Jared Hiltzik | 2 | 5 | 3 | G Quinzi | 6 | 62 | 6 | ||||||||||||||||||||
| 3 | Gianluigi Quinzi | 6 | 7 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 7 | Nick Kyrgios | 6 | 6 | ||||||||||||||||||||||||
| Anton Desyatnik | 4 | 4 | 7 | N Kyrgios | 6 | 6 | |||||||||||||||||||||
| Michael Redlicki | 6 | 6 | Mi Redlicki | 1 | 3 | ||||||||||||||||||||||
 Pedro Cachin | 4 | 4 | 7 | N Kyrgios | 62 | 6 | 6 | ||||||||||||||||||||
| Kevin Kaczynski | 6 | 3 | 9 | F Ferreira Silva | 77 | 1 | 2 | ||||||||||||||||||||
| Pietro Licciardi | 0 | 0r | K Kaczynski | 6 | 4 | 1 | |||||||||||||||||||||
| Spencer Papa | 5 | 3 | 9 | F Ferreira Silva | 3 | 6 | 6 | ||||||||||||||||||||
| 9 | Frederico Ferreira Silva | 7 | 6 | 7 | N Kyrgios | 6 | 3 | 4 | |||||||||||||||||||
| 14 | Noah Rubin | 3 | 3 | 2 | F Peliwo | 2 | 6 | 6 | |||||||||||||||||||
| Kyle Edmund | 6 | 6 | K Edmund | 77 | 6 | ||||||||||||||||||||||
| Jeroen Vanneste | 1 | 66 | Q | S Goto | 65 | 2 | |||||||||||||||||||||
| Q | Shotaro Goto | 6 | 78 | K Edmund | 3 | 3 | |||||||||||||||||||||
| Filip Bergevi | 4 | 66 | 2 | F Peliwo | 6 | 6 | |||||||||||||||||||||
 Markos Kalovelonis | 6 | 78 | M Kalovelonis | 6 | 4 | 1 | |||||||||||||||||||||
| Deiton Baughman | 3 | 3 | 2 | F Peliwo | 4 | 6 | 6 | ||||||||||||||||||||
| 2 | Filip Peliwo | 6 | 6 | ||||||||||||||||||||||||
Pierre-Hugues Herbert and Kevin Krawietz were the defending champions. However, Herbert was no longer eligible to compete as a Junior. Krawietz competed with Peter Heller and lost in the semifinals to Lewis Burton and George Morgan.
Liam Broady and Tom Farquharson were the defending champions but Farquharson was no longer eligible to compete as a Junior. Broady competed with Filip Horanský and lost in the semifinals to George Morgan and Mate Pavić.
Márton Fucsovics was the defending champion but was no longer eligible to compete as a Junior.
Jack Sock was the defending champion, but participated in the men's main draw, as he was ineligible to defend his title.
Duilio Beretta and Oliver Golding were the defending champions but did not enter this year.
Jiří Veselý was the defending champion, but he was ineligible to compete this year. World number one, Luke Saville of Australia led the field. The Aussie junior tennis player headed up the top ten seeds which included Thiago Monteiro, 2011 Wimbledon junior finalist Liam Broady, Kaichi Uchida, Frederico Ferreira Silva, Andrew Harris, Kyle Edmund, Stefano Napolitano, Nikola Milojević and Adam Pavlásek.
Filip Horanský and Jiří Veselý were the defending champions but were both ineligible to compete.
Filip Peliwo is a Canadian-born Polish professional tennis player. He reached a career-high ATP singles ranking of World No. 161 on 21 May 2018. In 2022, he began competing for Poland. Peliwo became the first Canadian male and second Canadian ever to win a Grand Slam in singles at any level with his 2012 Wimbledon boys' title win. This was Canada's second Grand Slam title in two days, one day after Eugenie Bouchard's. With the victory, Peliwo reached the No. 1 combined junior world ranking in July 2012, the first time a Canadian has been top ranked. He won his second straight junior Grand Slam title at the 2012 US Open. Peliwo was also runner-up in the boys singles events at the 2012 Australian Open and French Open.
Bjorn Fratangelo was the defending champion, but was not eligible to participate.
Kimmer Coppejans won this event, defeating 5th-seed Filip Peliwo 6–1, 6–4 in the final.
Andrés Artuñedo and Roberto Carballés were the defending champions.
Andrew Harris and Nick Kyrgios won the title by defeating Adam Pavlásek and Václav Šafránek in the final, 6–4, 2–6, [10–7]
Filip Peliwo defeated the defending champion Luke Saville in the final, 7–5, 6–4 to win the boys' singles tennis title at the 2012 Wimbledon Championships.
George Morgan and Mate Pavić were the defending champions but were no longer eligible to compete as Juniors.
Robin Kern and Julian Lenz were the defending champions, having won the event in 2011.
Kyle Edmund and Frederico Ferreira Silva won the title, defeating Nick Kyrgios and Jordan Thompson 6–2, 2–6, 7–5 in the final.
Filip Peliwo was the defending champion, but was no longer eligible to compete in junior tennis, and thus could not defend his title.
Filip Peliwo was the champion the previous year, but could not defend his title as he was no longer eligible to compete in junior tennis.
Borna Ćorić won the title, defeating Thanasi Kokkinakis in the final, 3–6, 6–3, 6–1.
Denis Shapovalov was the defending champion but chose not to defend his title.
Denis Shapovalov was the defending champion but chose not to defend his title.
Blaž Kavčič was the defending champion but chose not to defend his title.
Daniil Medvedev was the defending champion, but chose not to participate this year.
Mikael Torpegaard was the defending champion but lost in the quarterfinals to Roberto Quiroz.