# 2018 Canberra Tennis International – Men's singles

Matthew Ebden was the defending champion but chose not to defend his title.
Jordan Thompson won the title after defeating Nicola Kuhn 6–1, 5–7, 6–4 in the final.

## Seeds

* Jason Kubler (withdrew)
* Yoshihito Nishioka (semifinals)
* Jordan Thompson (champion)
* Alex Bolt (first round)
* Marc Polmans (first round)
* Hiroki Moriya (first round)
* Yosuke Watanuki (quarterfinals)
* Yasutaka Uchiyama (first 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 | Final |
| | Maxime Janvier | 4 | 5 | | | | | |
| 3 | Jordan Thompson | 6 | 7 | | | | | |
| 3 | Jordan Thompson | 6 | 7 | 3 | Jordan Thompson | 6 | 5 | 6 |
| | | | | | Nicola Kuhn | 1 | 7 | 4 |
| | Nicola Kuhn | 7$^7$ | 6 | | Nicola Kuhn | 1 | 7 | 4 |
| 2 | Yoshihito Nishioka | 6$^1$ | 4 | | | | | |

### 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 | Semifinals | Semifinals | Semifinals | Semifinals |
| LL | T-l Wu | 6 | 6 | | | | | | | | | | | | | | |
| | M Banes | 4 | 4 | | LL | T-l Wu | 7$^{11}$ | 5 | 3 | | | | | | | | |
| | M Janvier | 6 | 6 | | | M Janvier | 6$^9$ | 7 | 6 | | | | | | | | |
| Q | B Klein | 4 | 3 | | | | | | | | M Janvier | 7$^7$ | 6 | | | | |
| Q | T Fancutt | 6 | 4 | 2 | | | | | | WC | J Grills | 6$^5$ | 4 | | | | |
| | S Doumbia | 4 | 6 | 6 | | S Doumbia | 6$^6$ | 6 | 3 | | | | | | | | |
| WC | Jacob Grills | 4 | 6 | 6 | WC | J Grills | 7$^8$ | 3 | 6 | | | | | | | | |
| 6 | H Moriya | 6 | 4 | 1 | | | | | | | | | | | M Janvier | 4 | 5 |
| 3 | J Thompson | 6 | 6 | | | | | | | | | | | 3 | J Thompson | 6 | 7 |
| WC | J Beale | 2 | 2 | | 3 | J Thompson | 6 | 7$^7$ | | | | | | | | | |
| | Y Mertens | 3 | 7$^7$ | 5 | Q | R Statham | 2 | 6$^3$ | | | | | | | | | |
| Q | R Statham | 6 | 6$^2$ | 7 | | | | | | 3 | J Thompson | 6 | 6 | | | | |
| WC | L Saville | 6 | 6 | | | | | | | | B Ellis | 3 | 1 | | | | |
| WC | A Vukic | 3 | 3 | | WC | L Saville | 6$^4$ | 7$^7$ | 6$^5$ | | | | | | | | |
| | B Ellis | 7$^{11}$ | 6 | | | B Ellis | 7$^7$ | 6$^2$ | 7$^7$ | | | | | | | | |
| 8 | Y Uchiyama | 6$^9$ | 3 | | | | | | | | | | | | | | |

### 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 |
| 5 | M Polmans | 6$^4$ | 6 | 6$^3$ | | | | | | | | | | | | | |
| | J Duckworth | 7$^7$ | 4 | 7$^7$ | | J Duckworth | 4 | 6 | 3 | | | | | | | | |
| | A Santillan | 5 | 7$^7$ | 6 | | A Santillan | 6 | 4 | 6 | | | | | | | | |
| | Alessandro Petrone | 7 | 6$^4$ | 1 | | | | | | | A Santillan | 4 | 0$^r$ | | | | |
| | N Kuhn | 6 | 6 | | | | | | | | N Kuhn | 6 | 2 | | | | |
| Q | Francesco Vilardo | 1 | 3 | | | N Kuhn | 6 | 6 | | | | | | | | | |
| | M Purcell | 6 | 6$^3$ | 6 | | M Purcell | 2 | 4 | | | | | | | | | |
| 4 | A Bolt | 1 | 7$^7$ | 4 | | | | | | | | | | | N Kuhn | 7$^7$ | 6 |
| 7 | Yo Watanuki | 7$^7$ | 6 | | | | | | | | | | | 2 | Y Nishioka | 6$^1$ | 4 |
| | F Reboul | 6$^5$ | 1 | | 7 | Yo Watanuki | 7$^7$ | 6$^1$ | 6 | | | | | | | | |
| | A Harris | 7$^7$ | 4 | 4 | | A Harris | 6$^5$ | 7$^7$ | 0 | | | | | | | | |
| | B Mousley | 6$^3$ | 6 | 0$^r$ | | | | | | 7 | Yo Watanuki | 3 | 2 | | | | |
| | B Lock | 1 | 5 | | | | | | | 2 | Y Nishioka | 6 | 6 | | | | |
| | B Hassan | 6 | 7 | | | B Hassan | 4 | 3 | | | | | | | | | |
| | S Fanselow | 3 | 2 | | 2 | Y Nishioka | 6 | 6 | | | | | | | | | |
| 2 | Y Nishioka | 6 | 6 | | | | | | | | | | | | | | |