# 2023 City of Playford Tennis International – Men's singles

Rinky Hijikata was the defending champion but lost in the semifinals to James Duckworth.
Duckworth won the title after defeating Coleman Wong 7–5, 7–5 in the final.

## Seeds

* Thanasi Kokkinakis (second round, retired)
* Rinky Hijikata (semifinals)
* Taro Daniel (semifinals)
* James Duckworth (champion)
* Marc Polmans (second round)
* Hong Seong-chan (quarterfinals)
* Dane Sweeny (first round)
* Tristan Schoolkate (quarterfinals)

## 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 |
| SE | Coleman Wong | 4 | 7$^7$ | 7 | | | | |
| 3 | Taro Daniel | 6 | 6$^5$ | 5 | | | | |
| 3 | Taro Daniel | 6 | 6$^5$ | 5 | SE | Coleman Wong | 5 | 5 |
| | | | | | 4 | James Duckworth | 7 | 7 |
| 4 | James Duckworth | 4 | 7 | 6 | 4 | James Duckworth | 7 | 7 |
| 2 | Rinky Hijikata | 6 | 5 | 1 | | | | |

### 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 | T Kokkinakis | 6$^7$ | 6 | 6 | | | | | | | | | | | | | | | |
| Q | Y Takahashi | 7$^9$ | 3 | 2 | 1 | T Kokkinakis | 6$^1$ | 0$^r$ | | | | | | | | | | | |
| LL | A Rai | 6 | 2 | 2 | SE | C Wong | 7$^7$ | 2 | | | | | | | | | | | |
| SE | C Wong | 3 | 6 | 6 | | | | | | SE | C Wong | 6$^7$ | 7$^7$ | 7$^7$ | | | | | |
| | NH Lý | 6 | 6 | | | | | | | 8 | T Schoolkate | 7$^9$ | 6$^3$ | 6$^2$ | | | | | |
| WC | Matthew Dellavedova | 4 | 3 | | | NH Lý | 6 | 4 | 2 | | | | | | | | | | |
| Q | Pavle Marinkov | 3 | 4 | | 8 | T Schoolkate | 3 | 6 | 6 | | | | | | | | | | |
| 8 | T Schoolkate | 6 | 6 | | | | | | | | | | | | SE | C Wong | 4 | 7$^7$ | 7 |
| 3 | T Daniel | 6 | 6 | | | | | | | | | | | | 3 | T Daniel | 6 | 6$^5$ | 5 |
| Q | Jacob Bradshaw | 3 | 1 | | 3 | T Daniel | 6 | 6 | | | | | | | | | | | |
| | L Tu | 7 | 6 | | | L Tu | 1 | 2 | | | | | | | | | | | |
| WC | Zack Viiala | 5 | 2 | | | | | | | 3 | T Daniel | 6 | 6 | | | | | | |
| Q | Kai Wehnelt | 4 | 4 | | | | | | | | Y Shimizu | 1 | 2 | | | | | | |
| | Y Shimizu | 6 | 6 | | | Y Shimizu | 6 | 6 | | | | | | | | | | | |
| | F Peliwo | 4 | 0 | | 5 | M Polmans | 4 | 2 | | | | | | | | | | | |
| 5 | M Polmans | 6 | 6 | | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | D Sweeny | 6$^5$ | 2 | | | | | | | | | | | | | | | | |
| | H Moriya | 7$^7$ | 6 | | | H Moriya | 7 | 4 | 6 | | | | | | | | | | |
| | A Weber | 1 | 2 | | | R Noguchi | 5 | 6 | 2 | | | | | | | | | | |
| | R Noguchi | 6 | 6 | | | | | | | | H Moriya | 6 | 2 | 4 | | | | | |
| Alt | B Ellis | 3 | 5 | | | | | | | 4 | J Duckworth | 4 | 6 | 6 | | | | | |
| | P Sekulic | 6 | 7 | | | P Sekulic | 5 | 1 | | | | | | | | | | | |
| | K Uchida | 4 | 6$^2$ | | 4 | J Duckworth | 7 | 6 | | | | | | | | | | | |
| 4 | J Duckworth | 6 | 7$^7$ | | | | | | | | | | | | 4 | J Duckworth | 4 | 7 | 6 |
| 6 | S-c Hong | 7$^9$ | 6 | | | | | | | | | | | | 2 | R Hijikata | 6 | 5 | 1 |
| Q | Jayden Court | 6$^7$ | 3 | | 6 | S-c Hong | 6 | 6 | | | | | | | | | | | |
| WC | B Mott | 7 | 1 | 3 | | N Nakagawa | 3 | 3 | | | | | | | | | | | |
| | N Nakagawa | 5 | 6 | 6 | | | | | | 6 | S-c Hong | 1 | 1 | | | | | | |
| | O Jasika | 3 | 2 | | | | | | | 2 | R Hijikata | 6 | 6 | | | | | | |
| | Y Uchiyama | 6 | 6 | | | Y Uchiyama | 2 | 5 | | | | | | | | | | | |
| Q | J-s Nam | 4 | 6$^4$ | | 2 | R Hijikata | 6 | 7 | | | | | | | | | | | |
| 2 | R Hijikata | 6 | 7$^7$ | | | | | | | | | | | | | | | | |