# 2013 Australian Open – Boys' singles

Nick Kyrgios defeated Thanasi Kokkinakis in the final, 7–6$^{(7–4)}$, 6–3 to win the boys' singles tennis title at the 2013 Australian Open.
Luke Saville was the reigning champion, but was ineligible to play in junior events.

## Seeds

* Nikola Milojević (quarterfinals)
* Gianluigi Quinzi (quarterfinals)
* Nick Kyrgios (champion)
* Laslo Djere (first round)
* Elias Ymer (first round)
* Chung Hyeon (third round)
* Wayne Montgomery (quarterfinals)
* Filippo Baldi (semifinals)
* Christian Garín (third round)
* Maximilian Marterer (second round)
* Borna Ćorić (semifinals)
* Thai-Son Kwiatkowski (first round)
* Mackenzie McDonald (second round)
* Yoshihito Nishioka (third round)
* Hong Seong-chan (first round)
* Hugo Di Feo (third round)

## 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 |
| 1 | Nikola Milojević | 6 | 3 | 3 | | | | | | | | |
| 8 | Filippo Baldi | 2 | 6 | 6 | | | | | | | | |
| 8 | Filippo Baldi | 2 | 6 | 6 | 8 | Filippo Baldi | 2 | 1 | | | | |
| | | | | | 3 | Nick Kyrgios | 6 | 6 | | | | |
| 3 | Nick Kyrgios | 6 | 6 | | 3 | Nick Kyrgios | 6 | 6 | | | | |
| 7 | Wayne Montgomery | 1 | 1 | | | | | | | | | |
| 7 | Wayne Montgomery | 1 | 1 | | | | | | 3 | Nick Kyrgios | 7$^7$ | 6 |
| | | | | | | | | | WC | Thanasi Kokkinakis | 6$^4$ | 3 |
| 11 | Borna Ćorić | 6 | 6 | | | | | | | | | | WC | Thanasi Kokkinakis | 6$^4$ | 3 |
| | Matej Maruščák | 3 | 2 | | | | | | | | | |
| | Matej Maruščák | 3 | 2 | | 11 | Borna Ćorić | 3 | 2 | | | | |
| | | | | | WC | Thanasi Kokkinakis | 6 | 6 | | | | |
| WC | Thanasi Kokkinakis | 7$^7$ | 2 | 8 | WC | Thanasi Kokkinakis | 6 | 6 | | | | |
| 2 | Gianluigi Quinzi | 6$^5$ | 6 | 6 | | | | | | | | |

### 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 | Quarterfinal | Quarterfinal | Quarterfinal | Quarterfinal | Quarterfinal |
| 1 | Nikola Milojević | 6 | 6 | | | | | | | | | | | | | | | |
| | Jurence Zosimo Mendoza | 3 | 1 | | 1 | N Milojević | 6 | 1 | 8 | | | | | | | | | |
| | Brayden Schnur | 6 | 0 | 5 | WC | O Anderson | 2 | 6 | 6 | | | | | | | | | |
| WC | Oliver Anderson | 2 | 6 | 7 | | | | | | 1 | N Milojević | 6 | 6 | | | | | |
| | Lucas Miedler | 6 | 6 | | | | | | | | L Miedler | 4 | 2 | | | | | |
| | Johan Sébastien Tatlot | 2 | 2 | | | L Miedler | 6 | 6 | | | | | | | | | | |
| | Kim Duk-young | 6 | 0 | 1 | 13 | M McDonald | 4 | 2 | | | | | | | | | | |
| 13 | Mackenzie McDonald | 3 | 6 | 6 | | | | | | | | | | 1 | N Milojević | 6 | 3 | 3 |
| 9 | Christian Garin | 7$^7$ | 6 | | | | | | | | | | | 8 | F Baldi | 2 | 6 | 6 |
| | Takashi Saito | 6$^2$ | 2 | | 9 | C Garin | 6 | 6 | | | | | | | | | | |
| WC | Jacob Grills | 4 | 6$^4$ | | Q | D-h Lee | 3 | 3 | | | | | | | | | | |
| Q | Lee Duck-hee | 6 | 7$^7$ | | | | | | | 9 | C Garin | 3 | 5 | | | | | |
| | Hannes Wagner | 6 | 7$^7$ | | | | | | | 8 | F Baldi | 6 | 7 | | | | | |
| | Jakub Oravec | 3 | 6$^2$ | | | H Wagner | 5 | 2 | | | | | | | | | | |
| | Jay Andrijic | 4 | 2 | | 8 | F Baldi | 7 | 6 | | | | | | | | | | |
| 8 | Filippo Baldi | 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 | Quarterfinal | Quarterfinal | Quarterfinal | Quarterfinal |
| 3 | Nick Kyrgios | 6 | 6 | | | | | | | | | | | | | |
| | Cem İlkel | 3 | 1 | | 3 | N Kyrgios | 6 | 6 | | | | | | | | |
| | Cameron Norrie | 6 | 7$^7$ | | | C Norrie | 3 | 1 | | | | | | | | |
| Q | Liu Siyu | 4 | 6$^4$ | | | | | | 3 | N Kyrgios | 6 | 6 | | | | |
| Q | Naoki Nakagawa | 7$^7$ | 6 | | | | | | | O Jasika | 4 | 3 | | | | |
| Q | Gustav Hansson | 6$^5$ | 3 | | Q | N Nakagawa | 3 | 2 | | | | | | | | |
| | Omar Jasika | 3 | 6 | 6 | | O Jasika | 6 | 6 | | | | | | | | |
| 15 | Hong Seong-chan | 6 | 4 | 1 | | | | | | | | | 3 | N Kyrgios | 6 | 6 |
| 10 | Maximilian Marterer | 6 | 6 | | | | | | | | | | 7 | W Montgomery | 1 | 1 |
| WC | Daniel Guccione | 4 | 4 | | 10 | M Marterer | 4 | 4 | | | | | | | | |
| | Franko Miočić | 7 | 6 | | | F Miočić | 6 | 6 | | | | | | | | |
| | Aleksandr Ivanovich Spirin | 5 | 1 | | | | | | | F Miočić | 3 | 1 | | | | |
| | Stefano Napolitano | 6 | 4 | 3 | | | | | 7 | W Montgomery | 6 | 6 | | | | |
| | Quentin Halys | 2 | 6 | 6 | | Q Halys | 4 | 4 | | | | | | | | |
| | Harry Bourchier | 6$^4$ | 6 | 7 | 7 | W Montgomery | 6 | 6 | | | | | | | | |
| 7 | Wayne Montgomery | 7$^7$ | 1 | 9 | | | | | | | | | | | | |

### Bottom half
#### Section 3

| 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 | Quarterfinal | Quarterfinal | Quarterfinal | Quarterfinal |
| 6 | Chung Hyeon | 6 | 6 | | | | | | | | | | | | | | |
| WC | Jake Delaney | 1 | 2 | | 6 | H Chung | 6 | 6 | | | | | | | | | |
| | Maxime Hamou | 1 | 0 | | Q | P-l Yeung | 1 | 4 | | | | | | | | | |
| Q | Yeung Pak-long | 6 | 6 | | | | | | 6 | H Chung | 6$^6$ | 4 | | | | | |
| | Nicolás Jarry | 2 | 4 | | | | | | 11 | B Ćorić | 7$^8$ | 6 | | | | | |
| WC | Marc Polmans | 6 | 6 | | WC | M Polmans | 1 | 1 | | | | | | | | | |
| | Martin Redlicki | 2 | 4 | | 11 | B Ćorić | 6 | 6 | | | | | | | | | |
| 11 | Borna Ćorić | 6 | 6 | | | | | | | | | | | 11 | B Ćorić | 6 | 6 |
| 14 | Yoshihito Nishioka | 6 | 6 | | | | | | | | | | | | M Maruščák | 3 | 2 |
| | Karen Khachanov | 4 | 2 | | 14 | Y Nishoka | 6 | 6 | | | | | | | | | |
| | Mazen Osama | 1 | 2 | | WC | A Santillan | 0 | 2 | | | | | | | | | |
| WC | Akira Santillan | 6 | 6 | | | | | | 14 | Y Nishoka | 6 | 1 | 7 | | | | |
| | Dominic Weidinger | 3 | 6$^3$ | | | | | | | M Maruščák | 4 | 6 | 9 | | | | |
| Q | Paul Wörner | 6 | 7$^7$ | | Q | P Wörner | 1 | 3 | | | | | | | | | |
| | Matej Maruščák | 6 | 6$^7$ | 6 | | M Maruščák | 6 | 6 | | | | | | | | | |
| 4 | Laslo Djere | 4 | 7$^9$ | 2 | | | | | | | | | | | | | |

#### 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 | Quarterfinal | Quarterfinal | Quarterfinal | Quarterfinal | Quarterfinal |
| 5 | Elias Ymer | 4 | 0 | | | | | | | | | | | | | | | |
| | Kang Ku-keon | 6 | 6 | | | K-k Kang | 1 | 3 | | | | | | | | | | |
| WC | Blake Mott | 1 | 3 | | | E Couacaud | 6 | 6 | | | | | | | | | | |
| | Enzo Couacaud | 6 | 6 | | | | | | | | E Couacaud | 2 | 0 | | | | | |
| | Robin Staněk | 6 | 6 | | | | | | | WC | T Kokkinakis | 6 | 6 | | | | | |
| | Zheng Weiqiang | 4 | 3 | | | R Staněk | 6 | 4 | 3 | | | | | | | | | |
| WC | Thanasi Kokkinakis | 7 | 6 | | WC | T Kokkinakis | 2 | 6 | 6 | | | | | | | | | |
| 12 | Thai-Son Kwiatkowski | 5 | 4 | | | | | | | | | | | WC | T Kokkinakis | 7$^7$ | 2 | 8 |
| 16 | Hugo Di Feo | 6 | 6 | | | | | | | | | | | 2 | G Quinzi | 6$^5$ | 6 | 6 |
| | Luka Ilić | 4 | 2 | | 16 | H Di Feo | 6$^2$ | 7$^7$ | 6 | | | | | | | | | |
| Q | Petros Chrysochos | 2 | 6 | 6 | Q | P Chrysochos | 7$^7$ | 6$^2$ | 2 | | | | | | | | | |
| Q | Alexander Zverev | 6 | 2 | 0 | | | | | | 16 | H Di Feo | 1 | 4 | | | | | |
| | Anton Desyatnik | 2 | 1 | | | | | | | 2 | G Quinzi | 6 | 6 | | | | | |
| | Kim Young-seok | 6 | 6 | | | Y-s Kim | 2 | 4 | | | | | | | | | | |
| | Bradley Mousley | 4 | 0 | | 2 | G Quinzi | 6 | 6 | | | | | | | | | | |
| 2 | Gianluigi Quinzi | 6 | 6 | | | | | | | | | | | | | | | |