# 2015 US Open – Boys' singles

Omar Jasika was the defending champion, but he chose not to participate. Taylor Harry Fritz won the title, defeating Tommy Paul in the final, 6–2, 6–7$^{(4–7)}$, 6–2.

## Seeds

* Taylor Harry Fritz (champion)
* Michael Mmoh (quarterfinals)
* Mikael Ymer (quarterfinals)
* Hong Seong-chan (quarterfinals)
* Tommy Paul (final)
* Reilly Opelka (third round)
* Orlando Luz (second round)
* Marcelo Tomás Barrios Vera (first round)
* William Blumberg (third round)
* Corentin Denolly (third round)
* Chung Yun-seong (semifinals)
* Lý Hoàng Nam (first round)
* Lloyd Harris (third round)
* Akira Santillan (third round)
* Casper Ruud (third round)
* Stefanos Tsitsipas (third round)

## Main draw
### Key

* 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

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Taylor Harry Fritz | 6 | 6 | | | | | | | | | | |
| WC | Alex Rybakov | 3 | 0 | | | | | | | | | | |
| WC | Alex Rybakov | 3 | 0 | | 1 | Taylor Harry Fritz | 6 | 6 | | | | | |
| | | | | | 11 | Chung Yun-seong | 2 | 3 | | | | | |
| 3 | Mikael Ymer | 6 | 6$^2$ | 3 | 11 | Chung Yun-seong | 2 | 3 | | | | | |
| 11 | Chung Yun-seong | 2 | 7$^7$ | 6 | | | | | | | | | |
| 11 | Chung Yun-seong | 2 | 7$^7$ | 6 | | | | | 1 | Taylor Harry Fritz | 6 | 6$^4$ | 6 |
| | | | | | | | | | 5 | Tommy Paul | 2 | 7$^7$ | 2 |
| 5 | Tommy Paul | 2 | 7 | 6 | | | | | | | | | | 5 | Tommy Paul | 2 | 7$^7$ | 2 |
| 4 | Hong Seong-chan | 6 | 5 | 1 | | | | | | | | | |
| 4 | Hong Seong-chan | 6 | 5 | 1 | 5 | Tommy Paul | 6 | 6 | | | | | |
| | | | | | Q | Alex De Minaur | 0 | 0 | | | | | |
| Q | Alex De Minaur | 1 | 6 | 6 | Q | Alex De Minaur | 0 | 0 | | | | | |
| 2 | Michael Mmoh | 6 | 3 | 4 | | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Taylor Harry Fritz | 6 | 6 | | | | | | | | | | | | |
| | Ugo Humbert | 4 | 2 | 1 | TH Fritz | 6 | 6 | | | | | | | | |
| | Yusuke Takahashi | 6 | 6 | | Y Takahashi | 3 | 4 | | | | | | | | |
| | Gerónimo Espín Busleiman | 4 | 1 | | | | | 1 | TH Fritz | 7 | 6 | | | | |
| | Bernabé Zapata Miralles | 7$^7$ | 6 | | | | | 16 | S Tsitsipas | 5 | 1 | | | | |
| | Denis Klok | 6$^2$ | 3 | | B Zapata Miralles | 2 | 4 | | | | | | | | |
| | Federico Bonacia | 1 | 4 | 16 | S Tsitsipas | 6 | 6 | | | | | | | | |
| 16 | Stefanos Tsitsipas | 6 | 6 | | | | | | | | | 1 | TH Fritz | 6 | 6 |
| 12 | Lý Hoàng Nam | 3 | 4 | | | | | | | | | WC | A Rybakov | 3 | 0 |
| Q | Denis Shapovalov | 6 | 6 | Q | D Shapovalov | 6 | 6 | | | | | | | | |
| Q | Benjamin Hannestad | 3 | 5 | | U Blanch | 2 | 2 | | | | | | | | |
| | Ulises Blanch | 6 | 7 | | | | | Q | D Shapovalov | 0 | 6$^6$ | | | | |
| WC | Alex Rybakov | 6 | 6 | | | | | WC | A Rybakov | 6 | 7$^8$ | | | | |
| | Felipe Cunha e Silva | 4 | 4 | WC | A Rybakov | 6 | 6 | | | | | | | | |
| | Tim Sandkaulen | 1 | 1 | 7 | O Luz | 3 | 0 | | | | | | | | |
| 7 | Orlando Luz | 6 | 6 | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 3 | Mikael Ymer | 6 | 4 | 6 | | | | | | | | | | | | | | |
| WC | Vasil Kirkov | 3 | 6 | 3 | 3 | M Ymer | 6 | 6 | | | | | | | | | | |
| | Marko Osmakcic | 4 | 6$^4$ | | | M Kecmanović | 4 | 3 | | | | | | | | | | |
| | Miomir Kecmanović | 6 | 7$^7$ | | | | | | 3 | M Ymer | 6$^4$ | 6 | 6 | | | | | |
| | Geoffrey Blancaneaux | 5 | 4 | | | | | | 15 | C Ruud | 7$^7$ | 1 | 2 | | | | | |
| WC | Patrick Kypson | 7 | 6 | | WC | P Kypson | 0 | 0$^r$ | | | | | | | | | | |
| Q | Nicola Kuhn | 4 | 3 | | 15 | C Ruud | 6 | 3 | | | | | | | | | | |
| 15 | Casper Ruud | 6 | 6 | | | | | | | | | | | 3 | M Ymer | 6 | 6$^2$ | 3 |
| 11 | Chung Yun-seong | 6 | 6 | | | | | | | | | | | 11 | Y Chung | 2 | 7$^7$ | 6 |
| WC | Gianni Ross | 4 | 4 | | 11 | Y-s Chung | 7 | 6 | | | | | | | | | | |
| | Patrik Rikl | 7$^8$ | 6 | | | P Rikl | 5 | 4 | | | | | | | | | | |
| | Jake Delaney | 6$^6$ | 4 | | | | | | 11 | Y-s Chung | 6 | 7$^7$ | | | | | | |
| | Yosuke Watanuki | 6 | 6 | | | | | | 6 | R Opelka | 4 | 6$^2$ | | | | | | |
| | Manuel Peña López | 3 | 3 | | | Y Watanuki | 4 | 1 | | | | | | | | | | |
| | Alejandro Tabilo | 1 | 4 | | 6 | R Opelka | 6 | 6 | | | | | | | | | | |
| 6 | Reilly Opelka | 6 | 6 | | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 5 | Tommy Paul | 6 | 6 | | | | | | | | | | | | | | | |
| Q | Mattias Siimar | 4 | 3 | | 5 | T Paul | 4 | 6 | 7 | | | | | | | | | |
| | Félix Auger-Aliassime | 6 | 6 | | | F Auger-Aliassime | 6 | 4 | 5 | | | | | | | | | |
| Q | Wu Tung-lin | 2 | 4 | | | | | | | 5 | T Paul | 6 | 6 | | | | | |
| | Nathan Ponwith | 4 | 6 | 3 | | | | | | 10 | C Denolly | 3 | 1 | | | | | |
| | Nuno Borges | 6 | 3 | 6 | | N Borges | 4 | 4 | | | | | | | | | | |
| | Patrik Niklas-Salminen | 6 | 5 | 4 | 10 | C Denolly | 6 | 6 | | | | | | | | | | |
| 10 | Corentin Denolly | 3 | 7 | 6 | | | | | | | | | | 5 | T Paul | 2 | 7 | 6 |
| 13 | Lloyd Harris | 6 | 6$^2$ | 6 | | | | | | | | | | 4 | S-c Hong | 6 | 5 | 1 |
| WC | Sam Riffice | 3 | 7$^7$ | 4 | 13 | L Harris | 6 | 6 | | | | | | | | | | |
| | Johan Nikles | 1 | 4 | | | S Fukuda | 4 | 4 | | | | | | | | | | |
| | Sora Fukuda | 6 | 6 | | | | | | | 13 | L Harris | 3 | 4 | | | | | |
| | Andrea Pellegrino | 6 | 4 | 6 | | | | | | 4 | S-c Hong | 6 | 6 | | | | | |
| WC | Eduardo Nava | 3 | 6 | 4 | | A Pellegrino | 3 | 1 | | | | | | | | | | |
| | Juan Pablo Ficovich | 1 | 3 | | 4 | S-c Hong | 6 | 6 | | | | | | | | | | |
| 4 | Hong Seong-chan | 6 | 6 | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 8 | Marcelo Tomás Barrios Vera | 6 | 4 | 3 | | | | | | | | | | | | | | | |
| | Jumpei Yamasaki | 2 | 6 | 6 | | J Yamasaki | 1 | 6$^4$ | | | | | | | | | | | |
| Q | Alex De Minaur | 6 | 6 | | Q | A De Minaur | 6 | 7$^7$ | | | | | | | | | | | |
| WC | Alexandre Rotsaert | 4 | 4 | | | | | | | Q | A De Minaur | 7 | 3 | 6 | | | | | |
| | Máté Valkusz | 6$^5$ | 1$^r$ | | | | | | | 9 | W Blumberg | 5 | 6 | 3 | | | | | |
| Q | J. J. Wolf | 7$^7$ | 3 | | Q | J. J. Wolf | 6 | 4 | 1 | | | | | | | | | | |
| | Lukáš Klein | 6$^2$ | 1 | | 9 | W Blumberg | 3 | 6 | 6 | | | | | | | | | | |
| 9 | William Blumberg | 7$^7$ | 6 | | | | | | | | | | | | Q | A De Minaur | 1 | 6 | 6 |
| 14 | Akira Santillan | 6 | 7$^7$ | | | | | | | | | | | | 2 | M Mmoh | 6 | 3 | 4 |
| | Jurabek Karimov | 1 | 6$^4$ | | 14 | A Santillan | 6 | 6 | | | | | | | | | | | |
| | Franco Capalbo | 6$^2$ | 0 | | | C-y Oh | 3 | 1 | | | | | | | | | | | |
| | Oh Chan-yeong | 7$^7$ | 6 | | | | | | | 14 | A Santillan | 4 | 2 | | | | | | |
| Q | Youssef Hossam | 4 | 7$^{11}$ | 1 | | | | | | 2 | M Mmoh | 6 | 6 | | | | | | |
| | Louis Wessels | 6 | 6$^9$ | 6 | | L Wessels | 3 | 1 | | | | | | | | | | | |
| WC | Evan Furness | 2 | 4 | | 2 | M Mmoh | 6 | 6 | | | | | | | | | | | |
| 2 | Michael Mmoh | 6 | 6 | | | | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Alberto Lim (first round)
* Wu Yibing (qualifying competition)
* Denis Shapovalov (qualified)
* Mattias Siimar (qualified)
* Benjamin Hannestad (qualified)
* Alex de Minaur (qualified)
* Wu Tung-lin (qualified)
* Igor Marcondes (first round)
* Alexandar Lazarov (first round)
* Renta Tokuda (qualifying competition)
* Artem Dubrivnyy (qualifying competition)
* Youssef Hossam (qualified)
* Corrado Summaria (first round)
* Emil Reinberg (qualifying competition)
* Naoto Kazakov (first round)
* Alexey Aleshchev (qualifying competition)

### Qualifiers

* Youssef Hossam
* J. J. Wolf
* Denis Shapovalov
* Mattias Siimar
* Benjamin Hannestad
* Alex de Minaur
* Wu Tung-lin
* Nicola Kuhn

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Alberto Lim | 6 | 3 | 4 | | | | |
| | Bjorn Thomson | 0 | 6 | 6 | | | | |
| | Bjorn Thomson | 0 | 6 | 6 | | Bjorn Thomson | 1 | 1 |
| | | | | | 12 | Youssef Hossam | 6 | 6 |
| WC | Jake van Emburgh | 2 | 6 | 4 | 12 | Youssef Hossam | 6 | 6 |
| 12 | Youssef Hossam | 6 | 3 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Wu Yibing | 6 | 6 | | | | |
| | Yuya Ito | 4 | 4 | | | | |
| | Yuya Ito | 4 | 4 | 2 | Wu Yibing | 4 | 3 |
| | | | | WC | J. J. Wolf | 6 | 6 |
| WC | J. J. Wolf | 6 | 4 | WC | J. J. Wolf | 6 | 6 |
| 13 | Corrado Summaria | 1 | 0$^r$ | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Denis Shapovalov | 7$^7$ | 6 | | | | |
| | Hady Habib | 6$^2$ | 2 | | | | |
| | Hady Habib | 6$^2$ | 2 | 3 | Denis Shapovalov | 6 | 6 |
| | | | | 11 | Artem Dubrivnyy | 2 | 3 |
| | Gabriel Roveri Sidney | 4 | 3 | 11 | Artem Dubrivnyy | 2 | 3 |
| 11 | Artem Dubrivnyy | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Mattias Siimar | 6 | 6 | | | | |
| | Sameer Kumar | 4 | 3 | | | | |
| | Sameer Kumar | 4 | 3 | 4 | Mattias Siimar | 6 | 6 |
| | | | | 10 | Renta Tokuda | 3 | 2 |
| | Liam Caruana | 4 | 5 | 10 | Renta Tokuda | 3 | 2 |
| 10 | Renta Tokuda | 6 | 7 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Benjamin Hannestad | 6 | 2 | 6 | | | | | |
| WC | Trent Bryde | 4 | 6 | 0 | | | | | |
| WC | Trent Bryde | 4 | 6 | 0 | 5 | Benjamin Hannestad | 7 | 5 | 6 |
| | | | | | 16 | Alexey Aleshchev | 5 | 7 | 2 |
| | Catalin Mateas | 1$^r$ | | | 16 | Alexey Aleshchev | 5 | 7 | 2 |
| 16 | Alexey Aleshchev | 4 | | | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Alex de Minaur | 6 | 6 | | | | | |
| WC | Yuki Mochizuki | 1 | 4 | | | | | |
| WC | Yuki Mochizuki | 1 | 4 | | 6 | Alex de Minaur | 6 | 6 |
| | | | | | 14 | Emil Reinberg | 4 | 2 |
| | Benjamin Sigouin | 3 | 6 | 4 | 14 | Emil Reinberg | 4 | 2 |
| 14 | Emil Reinberg | 6 | 2 | 6 | | | | |

#### Seventh qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 7 | Wu Tung-lin | 6 | 6 | | | | | |
| WC | John McNally | 3 | 3 | | | | | |
| WC | John McNally | 3 | 3 | | 7 | Wu Tung-lin | 6 | 6 |
| | | | | | | Naoto Kai | 4 | 3 |
| | Naoto Kai | 6 | 4 | 6 | | Naoto Kai | 4 | 3 |
| 15 | Naoto Kazakov | 4 | 6 | 2 | | | | |

#### Eighth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 8 | Igor Marcondes | 3 | 7$^9$ | 1 | | | | |
| | Nicola Kuhn | 6 | 6$^7$ | 6 | | | | |
| | Nicola Kuhn | 6 | 6$^7$ | 6 | | Nicola Kuhn | 6 | 6 |
| | | | | | WC | Ezekiel Clark | 4 | 1 |
| WC | Ezekiel Clark | 2 | 6 | 4 | WC | Ezekiel Clark | 4 | 1 |
| 9 | Alexandar Lazarov | 6 | 4 | 1$^r$ | | | | |