| Date: | 23–29 October |
| Edition: | 5th |
| Surface: | Hard / Outdoor |
| Location: | City of Playford, Australia |
| Category: | ATP Challenger Tour ITF Women's World Tennis Tour |
| Champms: |  James Duckworth |
| Champmd: |  Ryan Seggerman / Patrik Trhac |
| Champws: | Astra Sharma |
| Champwd: | Talia Gibson / Priscilla Hon |
The 2023 City of Playford Tennis International was a professional tennis tournament played on outdoor hard courts. It was the fifth edition of the tournament which was part of the 2023 ATP Challenger Tour and the 2023 ITF Women's World Tennis Tour. It took place in the City of Playford, Australia between 23 and 29 October 2023.
See main article: 2023 City of Playford Tennis International – Men's singles.
James Duckworth def. 
Coleman Wong 7–5, 7–5.See main article: 2023 City of Playford Tennis International – Women's singles.
Astra Sharma def. Joanna Garland, 7–6(8–6), 6–0See main article: 2023 City of Playford Tennis International – Men's doubles.
Ryan Seggerman / Patrik Trhac def. Blake Ellis / Tristan Schoolkate 6–3, 7–6(7–3).See main article: 2023 City of Playford Tennis International – Women's doubles.
Talia Gibson / Priscilla Hon def. Kaylah McPhee / Astra Sharma, 6–1, 6–2| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Australia | Thanasi Kokkinakis | 68 | 1 | |
| Australia | Rinky Hijikata | 70 | 2 | |
 Japan | Taro Daniel | 97 | 3 | |
| Australia | James Duckworth | 144 | 4 | |
| Australia | Marc Polmans | 151 | 5 | |
 Korea, Republic of | Hong Seong-chan | 197 | 6 | |
| Australia | Dane Sweeny | 246 | 7 | |
| Australia | Tristan Schoolkate | 247 | 8 |
The following players received wildcards into the singles main draw:
Matthew Dellavedova Blake Mott Zack ViialaThe following player received entry into the singles main draw as a special exempt:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Jacob Bradshaw Jayden Court Pavle Marinkov Nam Ji-sung Yusuke TakahashiThe following player received entry as a lucky loser:
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Australia | Kimberly Birrell | 102 | 1 | |
| Korea, Republic of | Jang Su-jeong | 152 | 2 | |
| Australia | Astra Sharma | 164 | 3 | |
| Japan | Moyuka Uchijima | 183 | 4 | |
| Australia | Priscilla Hon | 193 | 5 | |
| Australia | Jaimee Fourlis | 207 | 6 | |
| Australia | Destanee Aiava | 223 | 7 | |
 China | Ma Yexin | 229 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Haruna Arakawa Natsuho Arakawa
Monique Barry Talia Gibson Emerson Jones Lea Ma Chihiro Muramatsu Hikaru Sato