# 2023 Adelaide International 2 – Men's singles

Kwon Soon-woo defeated Roberto Bautista Agut in the final, 6–4, 3–6, 7–6$^{(7–4)}$ to win the men's singles tennis title at the 2023 Adelaide International 2. It was his second ATP Tour singles title, and he became just the tenth man in ATP Tour history to win a title as a lucky loser.
Thanasi Kokkinakis was the defending champion, but lost in the semifinals to Bautista Agut.

## Seeds

The top four seeds received a bye into the second round.
* Andrey Rublev (second round)
* Pablo Carreño Busta (second round)
* Karen Khachanov (quarterfinals)
* Roberto Bautista Agut (final)
* Dan Evans (first round)
* Miomir Kecmanović (quarterfinals)
* Alejandro Davidovich Fokina (quarterfinals)
* Tommy Paul (second 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

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| WC | Thanasi Kokkinakis | 6$^4$ | 6 | 3 | | | | | |
| 4 | Roberto Bautista Agut | 7$^7$ | 3 | 6 | | | | | |
| 4 | Roberto Bautista Agut | 7$^7$ | 3 | 6 | 4 | Roberto Bautista Agut | 4 | 6 | 6$^4$ |
| | | | | | LL | Kwon Soon-woo | 6 | 3 | 7$^7$ |
| | Jack Draper | 6$^6$ | 7$^7$ | 3 | LL | Kwon Soon-woo | 6 | 3 | 7$^7$ |
| LL | Kwon Soon-woo | 7$^8$ | 6$^2$ | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | A Rublev | 4 | 6 | 3 | | | | | | | | | | |
| WC | T Kokkinakis | 6 | 6$^5$ | 7 | WC | T Kokkinakis | 6 | 3 | 6 | | | | | | | | | | |
| WC | A Popyrin | 0 | 7$^7$ | 5 | | | | | | WC | T Kokkinakis | 6 | 6$^4$ | 6 | | | | | |
| WC | J Kubler | 7$^7$ | 7 | | | | | | | 6 | M Kecmanović | 3 | 7$^7$ | 1 | | | | | |
| Q | TM Etcheverry | 6$^2$ | 5 | | WC | J Kubler | 7 | 6$^1$ | 4 | | | | | | | | | | |
| PR | K Edmund | 4 | 5 | | 6 | M Kecmanović | 5 | 7$^7$ | 6 | | | | | | | | | | |
| 6 | M Kecmanović | 6 | 7 | | | | | | | | | | | | WC | T Kokkinakis | 6$^4$ | 6 | 3 |
| | | | | | | | | | | | | | | | 4 | R Bautista Agut | 7$^7$ | 3 | 6 |
| | | | | | 4 | R Bautista Agut | 6 | 3 | 6 | | | | | | | | | | |
| | B Bonzi | 6 | 6$^8$ | 6$^3$ | LL | R Haase | 3 | 6 | 3 | | | | | | | | | | |
| LL | R Haase | 3 | 7$^{10}$ | 7$^7$ | | | | | | 4 | R Bautista Agut | 6 | 6 | | | | | | |
| | A Ramos Viñolas | 6 | 3 | 6$^6$ | | | | | | 7 | A Davidovich Fokina | 3 | 2 | | | | | | |
| Q | J Millman | 4 | 6 | 7$^8$ | Q | J Millman | 3 | 3 | | | | | | | | | | | |
| | B Nakashima | 2 | 6$^3$ | | 7 | A Davidovich Fokina | 6 | 6 | | | | | | | | | | | |
| 7 | A Davidovich Fokina | 6 | 7$^7$ | | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | T Paul | 6 | 7 | | | | | | | | | | | | | | | |
| LL | C O'Connell | 4 | 5 | | 8 | T Paul | 4 | 4 | | | | | | | | | | |
| | L Sonego | 4 | 2 | | | J Draper | 6 | 6 | | | | | | | | | | |
| | J Draper | 6 | 6 | | | | | | | | J Draper | 6 | 7$^7$ | | | | | |
| | A Rinderknech | 6 | 6$^5$ | 4 | | | | | | 3 | K Khachanov | 4 | 6$^3$ | | | | | |
| | M-A Hüsler | 4 | 7$^7$ | 6 | | M-A Hüsler | 4 | 4 | | | | | | | | | | |
| | | | | | 3 | K Khachanov | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | | | J Draper | 6$^6$ | 7$^7$ | 3 |
| 5 | D Evans | 5 | 5 | | | | | | | | | | | LL | S-w Kwon | 7$^8$ | 6$^2$ | 6 |
| | M McDonald | 7 | 7 | | | M McDonald | 6 | 6$^2$ | 3 | | | | | | | | | |
| | E Ruusuvuori | 4 | 6 | 3 | Q | M Ymer | 3 | 7$^7$ | 6 | | | | | | | | | |
| Q | M Ymer | 6 | 4 | 6 | | | | | | Q | M Ymer | 1 | 2 | | | | | |
| LL | S-w Kwon | 6 | 6 | | | | | | | LL | S-w Kwon | 6 | 6 | | | | | |
| Q | T Macháč | 4 | 4 | | LL | S-w Kwon | 3 | 6 | 6 | | | | | | | | | |
| | | | | | 2 | P Carreño Busta | 6 | 4 | 4 | | | | | | | | | |

## Qualifying
### Seeds

* Daniel Elahi Galán (withdrew due to abdominal injury)
* Mikael Ymer (qualified)
* Bernabé Zapata Miralles (first round)
* Oscar Otte (first round)
* Christopher O'Connell (qualifying competition, lucky loser)
* Tomás Martín Etcheverry (qualified)
* Kwon Soon-woo (qualifying competition, lucky loser)
* Jordan Thompson (qualifying competition)

### Qualifiers

* Tomás Martín Etcheverry
* Mikael Ymer
* John Millman
* Tomáš Macháč

### Lucky losers

* Christopher O'Connell
* Kwon Soon-woo
* Robin Haase

### Qualifying draw
#### First qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| Alt | Robin Haase | 6 | 6 | | | | |
| | Márton Fucsovics | 4 | 3 | | | | |
| | Márton Fucsovics | 4 | 3 | Alt | Robin Haase | 2 | 4 |
| | | | | 6 | Tomás Martín Etcheverry | 6 | 6 |
| WC | Luke Saville | 1 | 3 | 6 | Tomás Martín Etcheverry | 6 | 6 |
| 6 | Tomás Martín Etcheverry | 6 | 6 | | | | |

#### Second qualifier

| First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 2 | Mikael Ymer | 6 | 1 | | | | |
| | Nikoloz Basilashvili | 1 | 1$^r$ | | | | |
| | Nikoloz Basilashvili | 1 | 1$^r$ | 2 | Mikael Ymer | 7$^7$ | 7 |
| | | | | 8 | Jordan Thompson | 6$^4$ | 5 |
| | Roman Safiullin | 4 | 4 | 8 | Jordan Thompson | 6$^4$ | 5 |
| 8 | Jordan Thompson | 6 | 6 | | | | |

#### Third qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 3 | Bernabé Zapata Miralles | 2 | 2 | | | | | |
| Alt | John Millman | 6 | 6 | | | | | |
| Alt | John Millman | 6 | 6 | | Alt | John Millman | 6 | 7$^9$ |
| | | | | | 5 | Christopher O'Connell | 3 | 6$^7$ |
| WC | Rinky Hijikata | 6 | 1 | 2 | 5 | Christopher O'Connell | 3 | 6$^7$ |
| 5 | Christopher O'Connell | 3 | 6 | 6 | | | | |

#### Fourth qualifier

| First round | First round | First round | First round | First round | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition | Qualifying competition |
| 4 | Oscar Otte | 4 | 6$^0$ | | | | | | |
| | Tomáš Macháč | 6 | 7$^7$ | | | | | | |
| | Tomáš Macháč | 6 | 7$^7$ | | | Tomáš Macháč | 7 | 3 | 6 |
| | | | | | 7 | Kwon Soon-woo | 5 | 6 | 3 |
| | Vasek Pospisil | 7$^9$ | 3 | 3 | 7 | Kwon Soon-woo | 5 | 6 | 3 |
| 7 | Kwon Soon-woo | 6$^7$ | 6 | 6 | | | | | |