# 2019 US Open – Boys' singles

Jonáš Forejtek won the boys' singles tennis title at the 2019 US Open, defeating Emilio Nava 6–7$^{(4–7)}$, 6–0, 6–2 in the final.
Thiago Seyboth Wild was the defending champion, but he is no longer eligible to participate in junior events.

## Seeds

    01. Shintaro Mochizuki (second round)
    02. Holger Vitus Nødskov Rune (second round)
    03. Martin Damm (second round)
    04. Jonáš Forejtek (champion)
    05. Thiago Agustín Tirante (second round, retired)
    06. Toby Kodat (second round)
    07. Harold Mayot (second round)
    08. Emilio Nava (final)
    09. Gauthier Onclin (third round)
    10. Liam Draxl (third round)
    11. Brandon Nakashima (semifinals)
    12. Shunsuke Mitsui (first round)
    13. Keisuke Saitoh (first round)
    14. Valentin Royer (quarterfinals)
    15. Jiří Lehečka (quarterfinals)
    16. Péter Makk (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 |
| 14 | Valentin Royer | 4 | 4 | | | | | | | | | | |
| 11 | Brandon Nakashima | 6 | 6 | | | | | | | | | | |
| 11 | Brandon Nakashima | 6 | 6 | | 11 | Brandon Nakashima | 6$^4$ | 3 | | | | | |
| | | | | | 4 | Jonáš Forejtek | 7$^7$ | 6 | | | | | |
| 4 | Jonáš Forejtek | 3 | 7 | 7 | 4 | Jonáš Forejtek | 7$^7$ | 6 | | | | | |
| Q | Milan Welte | 6 | 5 | 5 | | | | | | | | | |
| Q | Milan Welte | 6 | 5 | 5 | | | | | 4 | Jonáš Forejtek | 6$^4$ | 6 | 6 |
| | | | | | | | | | 8/WC | Emilio Nava | 7$^7$ | 0 | 2 |
| 8/WC | Emilio Nava | 6 | 6 | | | | | | | | | | | 8/WC | Emilio Nava | 7$^7$ | 0 | 2 |
| 15 | Jiří Lehečka | 3 | 1 | | | | | | | | | | |
| 15 | Jiří Lehečka | 3 | 1 | | 8/WC | Emilio Nava | 6 | 6 | | | | | |
| | | | | | | Cannon Kingsley | 4 | 0 | | | | | |
| | Cannon Kingsley | 7$^7$ | 6 | | | Cannon Kingsley | 4 | 0 | | | | | |
| | Dominic Stricker | 6$^3$ | 4 | | | | | | | | | | |

### Top half
#### Section 1

| 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 |
| 1 | Shintaro Mochizuki | 2 | 6 | 6 | | | | | | | | | | | | | |
| | Flavio Cobolli | 6 | 3 | 4 | 1 | S Mochizuki | 6 | 6$^6$ | 2 | | | | | | | | |
| Q | Blaise Bicknell | 6$^3$ | 3 | | | AL Lingua Lavallén | 4 | 7$^8$ | 6 | | | | | | | | |
| | Alejo Lorenzo Lingua Lavallén | 7$^7$ | 6 | | | | | | | | AL Lingua Lavallén | 3 | 4 | | | | |
| Q | Andrew Paulson | 6 | 5 | 6 | | | | | | 14 | V Royer | 6 | 6 | | | | |
| | Francesco Passaro | 3 | 7 | 3 | Q | A Paulson | 2 | 4 | | | | | | | | | |
| WC | Leighton Allen | 3 | 6$^6$ | | 14 | V Royer | 6 | 6 | | | | | | | | | |
| 14 | Valentin Royer | 6 | 7$^8$ | | | | | | | | | | | 14 | V Royer | 4 | 4 |
| 11 | Brandon Nakashima | 6 | 6 | | | | | | | | | | | 11 | B Nakashima | 6 | 6 |
| | Kyrian Jacquet | 3 | 1 | | 11 | B Nakashima | 6 | 3 | 6 | | | | | | | | |
| | Youcef Rihane | 4 | 4 | | | L Riedi | 4 | 6 | 2 | | | | | | | | |
| | Leandro Riedi | 6 | 6 | | | | | | | 11 | B Nakashima | 6 | 6 | | | | |
| | Tristan Schoolkate | 6 | 6 | | | | | | | | T Schoolkate | 1 | 4 | | | | |
| | Nicholas David Ionel | 2 | 3 | | | T Schoolkate | 6 | 6 | | | | | | | | | |
| | Tyler Zink | 6$^3$ | 0 | | 7 | H Mayot | 3 | 4 | | | | | | | | | |
| 7 | Harold Mayot | 7$^7$ | 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 |
| 4 | Jonáš Forejtek | 6 | 6 | | | | | | | | | | | | | | | |
| WC | Zachary Svajda | 3 | 3 | | 4 | J Forejtek | 6 | 6 | | | | | | | | | | |
| | Pablo Llamas Ruiz | 3 | 1 | | | L Nardi | 3 | 2 | | | | | | | | | | |
| | Luca Nardi | 6 | 6 | | | | | | 4 | J Forejtek | 6 | 3 | 6 | | | | | |
| | Govind Nanda | 7 | 6 | | | | | | 16 | P Makk | 1 | 6 | 2 | | | | | |
| | Eric Vanshelboim | 5 | 2 | | | G Nanda | 6$^2$ | 4 | | | | | | | | | | |
| Q | Giovanni Mpetshi Perricard | 3 | 6$^1$ | | 16 | P Makk | 7$^7$ | 6 | | | | | | | | | | |
| 16 | Péter Makk | 6 | 7$^7$ | | | | | | | | | | | 4 | J Forejtek | 3 | 7 | 7 |
| 9 | Gauthier Onclin | 6 | 6$^7$ | 7 | | | | | | | | | | Q | M Welte | 6 | 5 | 5 |
| | Taha Baadi | 1 | 7$^9$ | 5 | 9 | G Onclin | 6 | 6 | | | | | | | | | | |
| Q | Natan Rodrigues | 4 | 4 | | WC | W Grant | 2 | 3 | | | | | | | | | | |
| WC | William Grant | 6 | 6 | | | | | | 9 | G Onclin | 3 | 4 | | | | | | |
| Q | Milan Welte | 6 | 6 | | | | | | Q | M Welte | 6 | 6 | | | | | | |
| Q | Kārlis Ozoliņš | 4 | 1 | | Q | M Welte | 6 | 7$^7$ | | | | | | | | | | |
| | Olimjon Nabiev | 3 | 1 | | 6 | T Kodat | 2 | 6$^4$ | | | | | | | | | | |
| 6 | Toby Kodat | 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 |
| 8/WC | Emilio Nava | 6 | 3 | 7$^8$ | | | | | | | | | | | | | |
| | Nicolás Álvarez Varona | 2 | 6 | 6$^6$ | 8/WC | E Nava | 6$^4$ | 7 | 7 | | | | | | | | |
| | Matteo Arnaldi | 6 | 6 | | | M Arnaldi | 7$^7$ | 5 | 5 | | | | | | | | |
| | Eliot Spizzirri | 3 | 1 | | | | | | | 8/WC | E Nava | 7$^7$ | 6 | | | | |
| | Juan Bautista Torres | 6 | 6 | | | | | | | Q | A Mayo | 6$^3$ | 2 | | | | |
| | Kevin Chahoud | 2 | 2 | | | JB Torres | 4 | 6 | 2 | | | | | | | | |
| Q | Aidan Mayo | 6 | 7 | | Q | A Mayo | 6 | 2 | 6 | | | | | | | | |
| 12 | Shunsuke Mitsui | 4 | 5 | | | | | | | | | | | 8/WC | E Nava | 6 | 6 |
| 15 | Jiří Lehečka | 7 | 6 | | | | | | | | | | | 15 | J Lehečka | 3 | 1 |
| WC | Ronald Hohmann | 5 | 1 | | 15 | J Lehečka | 6 | 6 | | | | | | | | | |
| | Hamad Međedović | 4 | 0 | | | A Zgirovsky | 3 | 2 | | | | | | | | | |
| | Alexander Zgirovsky | 6 | 6 | | | | | | | 15 | J Lehečka | 6 | 6 | | | | |
| | Samuel Vincent Ruggeri | 2 | 3 | | | | | | | | R Hijikata | 4 | 3 | | | | |
| | Rinky Hijikata | 6 | 6 | | | R Hijikata | 6 | 6 | | | | | | | | | |
| | Stijn Pel | 1 | 6$^4$ | | 3 | M Damm | 4 | 4 | | | | | | | | | |
| 3 | Martin Damm | 6 | 7$^7$ | | | | | | | | | | | | | | |

#### Section 4

| 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 |
| 5 | Thiago Agustín Tirante | 4 | 6 | 6 | | | | | | | | | | | | |
| WC | Ronan Jachuck | 6 | 2 | 3 | 5 | TA Tirante | 6$^6$ | 0$^r$ | | | | | | | | |
| | Cannon Kingsley | 6$^5$ | 7$^7$ | 6 | | C Kingsley | 7$^8$ | 2 | | | | | | | | |
| | Wojciech Marek | 7$^7$ | 6$^4$ | 4 | | | | | | C Kingsley | 7$^9$ | 7$^8$ | | | | |
| WC | Dali Blanch | 6 | 5 | 3 | | | | | 10 | L Draxl | 6$^7$ | 6$^6$ | | | | |
| | Arthur Fery | 4 | 7 | 6 | | A Fery | 6$^5$ | 1 | | | | | | | | |
| | Nini Gabriel Dica | 3 | 2 | | 10 | L Draxl | 7$^7$ | 6 | | | | | | | | |
| 10 | Liam Draxl | 6 | 6 | | | | | | | | | | | C Kingsley | 7$^7$ | 6 |
| 13 | Keisuke Saitoh | 1 | 1 | | | | | | | | | | | D Stricker | 6$^3$ | 4 |
| | Dalibor Svrčina | 6 | 6 | | | D Svrčina | 6 | 7$^7$ | | | | | | | | |
| WC | Alexander Bernard | 1 | 4 | | | A Cazaux | 1 | 6$^4$ | | | | | | | | |
| | Arthur Cazaux | 6 | 6 | | | | | | | D Svrčina | 6 | 3 | 3 | | | |
| | Dominic Stricker | 7$^7$ | 6 | | | | | | | D Stricker | 3 | 6 | 6 | | | |
| | Matheus Pucinelli de Almeida | 6$^4$ | 4 | | | D Stricker | 6 | 7 | | | | | | | | |
| Q | Cash Hanzlik | 2 | 7 | 6$^5$ | 2 | HVN Rune | 4 | 5 | | | | | | | | |
| 2 | Holger Vitus Nødskov Rune | 6 | 5 | 7$^7$ | | | | | | | | | | | | |

## Qualifying
### Seeds

* Kārlis Ozoliņš (qualified)
* Harry Wendelken (first round)
* Andrew Paulson (qualified)
* Román Andrés Burruchaga (Qualifying competition)
* Ryuhei Azuma (qualifying competition)
* Timo Legout (first round)
* Taiyo Yamanaka (qualifying competition)
* Blu Baker (qualifying competition)
* Arthur Craig Pantino (first round)
* Lorenzo Rottoli (qualifying competition)
* Natan Rodrigues (qualified)
* Chen Dong (qualifying competition)
* Baptiste Anselmo (first round)
* Lodewijk Weststrate (first round)
* Stefan Storch (qualifying competition)
* Giovanni Mpetshi Perricard (qualified)

### Qualifiers

* Kārlis Ozoliņš
* Aidan Mayo
* Andrew Paulson
* Cash Hanzlik
* Giovanni Mpetshi Perricard
* Natan Rodrigues
* Milan Welte
* Blaise Bicknell

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Kārlis Ozoliņš | 7 | 6 | | | | | |
| WC | Micah Braswell | 5 | 3 | | | | | |
| WC | Micah Braswell | 5 | 3 | | 1 | Kārlis Ozoliņš | 6 | 6 |
| | | | | | 10 | Lorenzo Rottoli | 2 | 3 |
| | Mann Shah | 3 | 6 | 4 | 10 | Lorenzo Rottoli | 2 | 3 |
| 10 | Lorenzo Rottoli | 6 | 3 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Harry Wendelken | 6$^4$ | 6 | 3 | | | | | |
| WC | Aidan Mayo | 7$^7$ | 0 | 6 | | | | | |
| WC | Aidan Mayo | 7$^7$ | 0 | 6 | WC | Aidan Mayo | 1 | 7$^7$ | 6 |
| | | | | | 15 | Stefan Storch | 6 | 6$^2$ | 3 |
| | Loris Pourroy | 5 | 2 | | 15 | Stefan Storch | 6 | 6$^2$ | 3 |
| 15 | Stefan Storch | 7 | 6 | | | | | | |

#### Third qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Andrew Paulson | 6 | 6 | | | | |
| | Mark Mandlik | 4 | 0 | | | | |
| | Mark Mandlik | 4 | 0 | 3 | Andrew Paulson | 6 | 7$^7$ |
| | | | | 12 | Chen Dong | 4 | 6$^4$ |
| | Bruno Oliveira | 2 | 4 | 12 | Chen Dong | 4 | 6$^4$ |
| 12 | Chen Dong | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Román Andrés Burruchaga | 6 | 6 | | | | |
| WC | Taisei Kageyama | 2 | 2 | | | | |
| WC | Taisei Kageyama | 2 | 2 | 4 | Román Andrés Burruchaga | 2 | 1 |
| | | | | WC | Cash Hanzlik | 6 | 6 |
| WC | Cash Hanzlik | 6 | 7$^7$ | WC | Cash Hanzlik | 6 | 6 |
| 13 | Baptiste Anselmo | 2 | 6$^4$ | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Ryuhei Azuma | 6 | 7 | | | | | |
| | Andrew Dale | 4 | 6$^0$ | | | | | |
| | Andrew Dale | 4 | 6$^0$ | 5 | Ryuhei Azuma | 6 | 5 | 4 |
| | | | | 16 | Giovanni Mpetshi Perricard | 2 | 7 | 6 |
| Alt | James Story | 3 | 2 | 16 | Giovanni Mpetshi Perricard | 2 | 7 | 6 |
| 16 | Giovanni Mpetshi Perricard | 6 | 6 | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Timo Legout | 5 | 6$^5$ | | | | |
| WC | Victor Lilov | 7 | 7$^7$ | | | | |
| WC | Victor Lilov | 7 | 7$^7$ | WC | Victor Lilov | 3 | 2 |
| | | | | 11 | Natan Rodrigues | 6 | 6 |
| WC | Bruno Kuzuhara | 4 | 3 | 11 | Natan Rodrigues | 6 | 6 |
| 11 | Natan Rodrigues | 6 | 6 | | | | |

#### Seventh qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 7 | Taiyo Yamanaka | 0 | 6 | 7$^9$ | | | | |
| | Andres Martin | 6 | 4 | 6$^7$ | | | | |
| | Andres Martin | 6 | 4 | 6$^7$ | 7 | Taiyo Yamanaka | 4 | 5 |
| | | | | | | Milan Welte | 6 | 7 |
| | Milan Welte | 6 | 6 | | | Milan Welte | 6 | 7 |
| 9 | Arthur Craig Pantino | 4 | 3 | | | | | |

#### Eighth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 8 | Blu Baker | 6 | 6 | | | | |
| | Luciano Darderi | 2 | 1 | | | | |
| | Luciano Darderi | 2 | 1 | 8 | Blu Baker | 4 | 5 |
| | | | | | Blaise Bicknell | 6 | 7 |
| | Blaise Bicknell | 6 | 7$^7$ | | Blaise Bicknell | 6 | 7 |
| 14 | Lodewijk Weststrate | 1 | 6$^2$ | | | | |