# 2023 Australian Open – Boys' singles

Alexander Blockx won the boys' singles title at the 2023 Australian Open, defeating Learner Tien in the final, 6–1, 2–6, 7–6$^{(11–9)}$.
Bruno Kuzuhara was the defending champion, but was no longer eligible to participate in junior events. He received a wildcard into the men's singles qualifying competition, where he lost to Michael Mmoh in the first round.

## Seeds

    01. Kilian Feldbausch (quarterfinals)
    02. Iliyan Radulov (quarterfinals)
    03. Alexander Blockx (champion)
    04. Arthur Géa (quarterfinals)
    05. Mihai Alexandru Coman (second round)
    06. Rei Sakamoto (third round)
    07. Hayato Matsuoka (first round)
    08. Cooper Williams (third round)
    09. Maxim Mrva (second round)
    10. João Fonseca (quarterfinals)
    11. Zhou Yi (semifinals)
    12. Hayden Jones (first round)
    13. Danil Panarin (second round)
    14. Kevin Edengren (first round)
    15. Adriano Dzhenev (third round)
    16. Abel Forger (second 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 | Kilian Feldbausch | 5 | 7 | 4 | | | | | | | | | |
| 11 | Zhou Yi | 7 | 5 | 6 | | | | | | | | | |
| 11 | Zhou Yi | 7 | 5 | 6 | 11 | Zhou Yi | 4 | 1 | | | | | |
| | | | | | 3 | Alexander Blockx | 6 | 6 | | | | | |
| 3 | Alexander Blockx | 6$^7$ | 7$^7$ | 6 | 3 | Alexander Blockx | 6 | 6 | | | | | |
| 10 | João Fonseca | 7$^9$ | 6$^5$ | 3 | | | | | | | | | |
| 10 | João Fonseca | 7$^9$ | 6$^5$ | 3 | | | | | 3 | Alexander Blockx | 6 | 2 | 7$^{11}$ |
| | | | | | | | | | | Learner Tien | 1 | 6 | 6$^9$ |
| | Tomasz Berkieta | 3 | 6 | 7$^{10}$ | | | | | | | | | | Learner Tien | 1 | 6 | 6$^9$ |
| 4 | Arthur Géa | 6 | 2 | 6$^8$ | | | | | | | | | |
| 4 | Arthur Géa | 6 | 2 | 6$^8$ | | Tomasz Berkieta | 4 | 2 | | | | | |
| | | | | | | Learner Tien | 6 | 6 | | | | | |
| | Learner Tien | 6 | 6 | | | Learner Tien | 6 | 6 | | | | | |
| 2 | Iliyan Radulov | 0 | 0 | | | | | | | | | | |

### 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | Kilian Feldbausch | 6 | 6 | | | | | | | | | | | | | | | | |
| WC | Thomas Nicholas Gadecki | 1 | 3 | | 1 | K Feldbausch | 6 | 6 | | | | | | | | | | | |
| | Matej Dodig | 6 | 7 | | | M Dodig | 2 | 1 | | | | | | | | | | | |
| Q | Goran Zgoła | 1 | 5 | | | | | | | 1 | K Feldbausch | 6 | 6$^1$ | 6 | | | | | |
| | Kyle Kang | 6 | 6 | | | | | | | | K Kang | 4 | 7$^7$ | 4 | | | | | |
| | Jan Hrazdil | 1 | 0 | | | K Kang | 6 | 6 | | | | | | | | | | | |
| | Lennon Roark Jones | 3 | 6 | 6$^8$ | 13 | D Panarin | 3 | 3 | | | | | | | | | | | |
| 13 | Danil Panarin | 6 | 4 | 7$^{10}$ | | | | | | | | | | | 1 | K Feldbausch | 5 | 7 | 4 |
| 11 | Zhou Yi | 6 | 6$^7$ | 6 | | | | | | | | | | | 11 | Y Zhou | 7 | 5 | 6 |
| Q | Felipe Virgili Berini | 1 | 7$^9$ | 2 | 11 | Y Zhou | 7 | 3 | 5 | | | | | | | | | | |
| WC | Jeremy Zhang | 3 | 3 | | | M Dhamne | 5 | 6 | 2$^r$ | | | | | | | | | | |
| | Manas Dhamne | 6 | 6 | | | | | | | 11 | Y Zhou | 6 | 6 | | | | | | |
| | Sebastian Eriksson | 4 | 4 | | | | | | | 8 | C Williams | 1 | 4 | | | | | | |
| | Roh Ho-young | 6 | 6 | | | H-y Roh | 4 | 3 | | | | | | | | | | | |
| | Keegan Rice | 4 | 3 | | 8 | C Williams | 6 | 6 | | | | | | | | | | | |
| 8 | Cooper Williams | 6 | 6 | | | | | | | | | | | | | | | | |

#### Section 2

| 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 |
| 3 | Alexander Blockx | 6 | 6 | | | | | | | | | | | | | | | |
| | Federico Bondioli | 0 | 3 | | 3 | A Blockx | 6 | 6 | | | | | | | | | | |
| | Matic Križnik | 6$^5$ | 5 | | | A Karahan | 4 | 4 | | | | | | | | | | |
| | Atakan Karahan | 7$^7$ | 7 | | | | | | | 3 | A Blockx | 6 | 6 | | | | | |
| | Zoran Ludoški | 7 | 7 | | | | | | | 15 | A Dzhenev | 2 | 2 | | | | | |
| WC | Zachary Viiala | 5 | 5 | | | Z Ludoški | 5 | 6$^6$ | | | | | | | | | | |
| | Kaylan Bigun | 3 | 6 | 6$^7$ | 15 | A Dzhenev | 7 | 7$^8$ | | | | | | | | | | |
| 15 | Adriano Dzhenev | 6 | 2 | 7$^{10}$ | | | | | | | | | | 3 | A Blockx | 6$^7$ | 7$^7$ | 6 |
| 10 | João Fonseca | 6 | 6 | | | | | | | | | | | 10 | J Fonseca | 7$^9$ | 6$^5$ | 3 |
| | Aryan Shah | 1 | 2 | | 10 | J Fonseca | 7 | 6 | | | | | | | | | | |
| WC | Hugh Winter | 0 | 2 | | | V Kalina | 5 | 3 | | | | | | | | | | |
| | Vít Kalina | 6 | 6 | | | | | | | 10 | J Fonseca | 6 | 6 | | | | | |
| | Volodymyr Iakubenko | 7$^7$ | 6$^3$ | 4 | | | | | | 6 | R Sakamoto | 3 | 4 | | | | | |
| | Tiago Pires | 6$^5$ | 7$^7$ | 6 | | T Pires | 6 | 6$^4$ | 4 | | | | | | | | | |
| | David Fix | 3 | 3 | | 6 | R Sakamoto | 4 | 7$^7$ | 6 | | | | | | | | | |
| 6 | Rei Sakamoto | 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 5 | Mihai Alexandru Coman | 7$^8$ | 3 | 6 | | | | | | | | | | | | | | | |
| Q | Lorenzo Carboni | 6$^6$ | 6 | 4 | 5 | MA Coman | 6$^4$ | 1 | | | | | | | | | | | |
| | Charlie Camus | 4 | 4 | | | T Berkieta | 7$^7$ | 6 | | | | | | | | | | | |
| | Tomasz Berkieta | 6 | 6 | | | | | | | | T Berkieta | 7$^7$ | 6 | | | | | | |
| Q | Ruslan Tiukaev | 6 | 6 | | | | | | | Q | R Tiukaev | 6$^3$ | 4 | | | | | | |
| Q | Reiya Hattori | 4 | 3 | | Q | R Tiukaev | 6 | 6 | | | | | | | | | | | |
| WC | Nicolas Oliveira | 6 | 1 | 1 | 9 | M Mrva | 3 | 4 | | | | | | | | | | | |
| 9 | Maxim Mrva | 3 | 6 | 6 | | | | | | | | | | | | T Berkieta | 3 | 6 | 7$^{10}$ |
| 14 | Kevin Edengren | 4 | 3 | | | | | | | | | | | | 4 | A Géa | 6 | 2 | 6$^8$ |
| | Patrick Schön | 6 | 6 | | | P Schön | 3 | 6 | 3 | | | | | | | | | | |
| WC | Pavle Marinkov | 6 | 7 | | WC | P Marinkov | 6 | 1 | 6 | | | | | | | | | | |
| | Joel Schwärzler | 4 | 5 | | | | | | | WC | P Marinkov | 6 | 3 | 2 | | | | | |
| | Yuvan Nandal | 2 | 6 | 5 | | | | | | 4 | A Géa | 4 | 6 | 6 | | | | | |
| | Alexander Frusina | 6 | 3 | 3$^r$ | | Y Nandal | 6 | 1 | 2 | | | | | | | | | | |
| Q | Brendan Loh | 1 | 2 | | 4 | A Géa | 3 | 6 | 6 | | | | | | | | | | |
| 4 | Arthur Géa | 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 7 | Hayato Matsuoka | 0 | 3 | | | | | | | | | | | | | | |
| | Learner Tien | 6 | 6 | | | L Tien | 2 | 6 | 6 | | | | | | | | |
| | Branko Đurić | 5 | 2 | | | F Cinà | 6 | 2 | 4 | | | | | | | | |
| | Federico Cinà | 7 | 6 | | | | | | | | L Tien | 6 | 6 | | | | |
| | Chang Woo-hyuk | 0 | 2 | | | | | | | | J Filip | 0 | 2 | | | | |
| | Jakub Filip | 6 | 6 | | | J Filip | 6 | 6 | | | | | | | | | |
| Q | Andrii Zimnokh | 6 | 6$^5$ | 7 | Q | A Zimnokh | 3 | 3 | | | | | | | | | |
| 12 | Hayden Jones | 1 | 7$^7$ | 5 | | | | | | | | | | | L Tien | 6 | 6 |
| 16 | Abel Forger | 2 | 6 | 7$^{10}$ | | | | | | | | | | 2 | I Radulov | 0 | 0 |
| | Meecah Bigun | 6 | 1 | 6$^8$ | 16 | A Forger | 4 | 2 | | | | | | | | | |
| | Oliver Ojakäär | 7$^7$ | 6 | | | O Ojakäär | 6 | 6 | | | | | | | | | |
| WC | Marcus Schoeman | 6$^5$ | 4 | | | | | | | | O Ojakäär | 5 | 3 | | | | |
| Q | Zhang Tianhui | 2 | 6 | 6 | | | | | | 2 | I Radulov | 7 | 6 | | | | |
| | Emilien Demanet | 6 | 3 | 4 | Q | T Zhang | 4 | 6$^2$ | | | | | | | | | |
| WC | Yuta Tomida | 6 | 4 | 2 | 2 | I Radulov | 6 | 7$^7$ | | | | | | | | | |
| 2 | Iliyan Radulov | 4 | 6 | 6 | | | | | | | | | | | | | |

## Qualifying
### Seeds

* Adhithya Ganesan (qualifying competition)
* Diego Quispe-Kim (first round)
* Segundo Goity Zapico (qualifying competition)
* Liam Drover-Mattinen (qualifying competition)
* Reiya Hattori (qualified)
* Michal Krajči (qualifying competition)
* Goran Zgoła (qualified)
* Jules Leroux (qualifying competition)
* Park Seung-min (qualifying competition)
* Lorenzo Carboni (qualified)
* Zhang Tianhui (qualified)
* Felipe Virgili Berini (qualified)
* Andrii Zimnokh (qualified)
* Ruslan Tiukaev (qualified)
* Aayush P Bhat (qualifying competition)
* Kriish Tyagi (qualifying competition)

### Qualifiers

* Andrii Zimnokh
* Brendan Loh
* Felipe Virgili Berini
* Zhang Tianhui
* Reiya Hattori
* Ruslan Tiukaev
* Goran Zgoła
* Lorenzo Carboni

### Draw
#### First qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 1 | Adhithya Ganesan | 6 | 3 | 6 | | | | | |
| WC | Cruz Hewitt | 1 | 6 | 2 | | | | | |
| WC | Cruz Hewitt | 1 | 6 | 2 | 1 | Adhithya Ganesan | 1 | 7$^7$ | 4 |
| | | | | | 13 | Andrii Zimnokh | 6 | 6$^4$ | 6 |
| | Rohan Hazratwala | 1 | 3 | | 13 | Andrii Zimnokh | 6 | 6$^4$ | 6 |
| 13 | Andrii Zimnokh | 6 | 6 | | | | | | |

#### Second qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Diego Quispe-Kim | 5 | 6 | 4 | | | | |
| | Brendan Loh | 7 | 3 | 6 | | | | |
| | Brendan Loh | 7 | 3 | 6 | | Brendan Loh | 6 | 6 |
| | | | | | 16 | Kriish Tyagi | 4 | 4 |
| WC | Shu Muto | 4 | 2 | | 16 | Kriish Tyagi | 4 | 4 |
| 16 | Kriish Tyagi | 6 | 6 | | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Segundo Goity Zapico | 7$^7$ | 4 | 6 | | | | | |
| | Jake Dembo | 6$^4$ | 6 | 1 | | | | | |
| | Jake Dembo | 6$^4$ | 6 | 1 | 3 | Segundo Goity Zapico | 2 | 6 | 6$^1$ |
| | | | | | 12 | Felipe Virgili Berini | 6 | 3 | 7$^7$ |
| | Takamasa Mishiro | 1 | 2 | | 12 | Felipe Virgili Berini | 6 | 3 | 7$^7$ |
| 12 | Felipe Virgili Berini | 6 | 6 | | | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Liam Drover-Mattinen | 6 | 6 | | | | |
| | Lachlan McFadzean | 3 | 0 | | | | |
| | Lachlan McFadzean | 3 | 0 | 4 | Liam Drover-Mattinen | 4 | 4 |
| | | | | 11 | Zhang Tianhui | 6 | 6 |
| | Shingo Masuda | 2 | 0 | 11 | Zhang Tianhui | 6 | 6 |
| 11 | Zhang Tianhui | 6 | 6 | | | | |

#### Fifth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 5 | Reiya Hattori | 7$^7$ | 6 | | | | | |
| | Alexander Despoja | 6$^5$ | 4 | | | | | |
| | Alexander Despoja | 6$^5$ | 4 | 5 | Reiya Hattori | 6 | 1 | 6 |
| | | | | 9 | Park Seung-min | 3 | 6 | 3 |
| | Gustavs Dambiņš | 2 | 4 | 9 | Park Seung-min | 3 | 6 | 3 |
| 9 | Park Seung-min | 6 | 6 | | | | | |

#### Sixth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 6 | Michal Krajči | 6 | 6 | | | | |
| | Kwok Shun Dasson Chan | 0 | 1 | | | | |
| | Kwok Shun Dasson Chan | 0 | 1 | 6 | Michal Krajči | 4 | 1 |
| | | | | 14 | Ruslan Tiukaev | 6 | 6 |
| | Henry Lamchinniah | 3 | 2 | 14 | Ruslan Tiukaev | 6 | 6 |
| 14 | Ruslan Tiukaev | 6 | 6 | | | | |

#### Seventh qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 7 | Goran Zgoła | 6 | 7 | | | | | | |
| | Cooper Errey | 0 | 5 | | | | | | |
| | Cooper Errey | 0 | 5 | | 7 | Goran Zgoła | 1 | 7 | 6 |
| | | | | | 15 | Aayush P Bhat | 6 | 5 | 3 |
| | Iannis Miletich | 3 | 6 | 4 | 15 | Aayush P Bhat | 6 | 5 | 3 |
| 15 | Aayush P Bhat | 6 | 1 | 6 | | | | | |

#### Eighth qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 8 | Jules Leroux | 7 | 6 | | | | | |
| | Daksh Prasad | 5 | 3 | | | | | |
| | Daksh Prasad | 5 | 3 | 8 | Jules Leroux | 6 | 2 | 4 |
| | | | | 10 | Lorenzo Carboni | 1 | 6 | 6 |
| WC | Cristian Care | 4 | 3 | 10 | Lorenzo Carboni | 1 | 6 | 6 |
| 10 | Lorenzo Carboni | 6 | 6 | | | | | |