# 2018 City of Playford Tennis International – Men's singles

This was the first edition of the tournament.
Jason Kubler won the title after defeating Brayden Schnur 6–4, 6–2 in the final.

## Seeds

* Daniil Medvedev (first round)
* Bjorn Fratangelo (first round)
* Henri Laaksonen (first round)
* Sergiy Stakhovsky (first round)
* Oscar Otte (second round)
* Norbert Gombos (quarterfinals)
* Ričardas Berankis (first round)
* Uladzimir Ignatik (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 | Final | Final | Final | Final |
| | Brayden Schnur | 6 | 7$^7$ | | | | |
| | Evan King | 3 | 6$^3$ | | | | |
| | Evan King | 3 | 6$^3$ | | Brayden Schnur | 4 | 2 |
| | | | | Q | Jason Kubler | 6 | 6 |
| | Reilly Opelka | 6$^3$ | 3 | Q | Jason Kubler | 6 | 6 |
| Q | Jason Kubler | 7$^7$ | 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 |
| 1 | D Medvedev | 7 | 4 | 4 | | | | | | | | | | | | | |
| Q | M Matosevic | 5 | 6 | 6 | Q | M Matosevic | 6 | 6 | | | | | | | | | |
| | T Kamke | 6 | 6 | | | T Kamke | 2 | 0 | | | | | | | | | |
| | G Andreozzi | 4 | 4 | | | | | | | Q | M Matosevic | 7$^7$ | 5 | 6$^3$ | | | |
| | B Schnur | 6 | 6 | | | | | | | | B Schnur | 6$^4$ | 7 | 7$^7$ | | | |
| | Y Nishioka | 4 | 3 | | | B Schnur | 6 | 3 | 6 | | | | | | | | |
| | D King | 4 | 4 | | 5 | O Otte | 2 | 6 | 2 | | | | | | | | |
| 5 | O Otte | 6 | 6 | | | | | | | | | | | | B Schnur | 6 | 7$^7$ |
| 3 | H Laaksonen | 3 | 3 | | | | | | | | | | | | E King | 3 | 6$^3$ |
| Q | M Banes | 6 | 6 | | Q | M Banes | 4 | 7$^7$ | 4 | | | | | | | | |
| WC | A Popyrin | 4 | 1 | | | E King | 6 | 6$^3$ | 6 | | | | | | | | |
| | E King | 6 | 6 | | | | | | | | E King | 6 | 7 | | | | |
| | Y Uchiyama | 4 | 6 | 3 | | | | | | 6 | N Gombos | 4 | 5 | | | | |
| Q | H Grenier | 6 | 3 | 6 | Q | H Grenier | 4 | 6 | 1 | | | | | | | | |
| | L Sonego | 4 | 6 | 6$^4$ | 6 | N Gombos | 6 | 4 | 6 | | | | | | | | |
| 6 | N Gombos | 6 | 4 | 7$^7$ | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | R Berankis | 7$^9$ | 6$^6$ | 5 | | | | | | | | | | | | | |
| | R Opelka | 6$^7$ | 7$^8$ | 7 | | R Opelka | 7$^{11}$ | 7$^{10}$ | | | | | | | | | |
| | P Krstin | 6 | 6$^1$ | 5 | | K Majchrzak | 6$^9$ | 6$^8$ | | | | | | | | | |
| | K Majchrzak | 4 | 7$^7$ | 7 | | | | | | R Opelka | 7$^7$ | 5 | 6 | | | | |
| WC | M Purcell | 4 | 7$^{10}$ | 2 | | | | | WC | O Jasika | 6$^5$ | 7 | 4 | | | | |
| WC | O Jasika | 6 | 6$^8$ | 6 | WC | O Jasika | 6 | 6 | | | | | | | | | |
| | T Paul | 3 | 7 | 7 | | T Paul | 3 | 3 | | | | | | | | | |
| 4 | S Stakhovsky | 6 | 5 | 5 | | | | | | | | | | | R Opelka | 6$^3$ | 3 |
| 8 | U Ignatik | 6 | 6 | | | | | | | | | | | Q | J Kubler | 7$^7$ | 6 |
| | M McDonald | 4 | 4 | | 8 | U Ignatik | 4 | 4 | | | | | | | | | |
| | A Whittington | 6$^5$ | 3 | | Q | J Kubler | 6 | 6 | | | | | | | | | |
| Q | J Kubler | 7$^7$ | 6 | | | | | | Q | J Kubler | 6 | 6 | | | | | |
| | A De Greef | 3 | 4 | | | | | | | A Bolt | 3 | 3 | | | | | |
| | A Bolt | 6 | 6 | | | A Bolt | 6 | 6 | | | | | | | | | |
| WC | M Polmans | 6 | 5 | 6 | WC | M Polmans | 4 | 3 | | | | | | | | | |
| 2 | B Fratangelo | 3 | 7 | 4 | | | | | | | | | | | | | |