| Men's singles | |
|---|---|
| 2025 Canberra Tennis International | |
| Champion |  João Fonseca |
| Runner-up |  Ethan Quinn |
| Score | 6–4, 6–4 |
Dominik Koepfer was the defending champion [1] but lost in the first round to Harold Mayot.
João Fonseca won the title after defeating Ethan Quinn 6–4, 6–4 in the final. [2]
Hugo Gaston (first round)
Facundo Díaz Acosta (first round)
Damir Džumhur (second round)
Taro Daniel (first round)
Sumit Nagal (first round)
Jacob Fearnley (semifinals)
Dominik Koepfer (first round)
Mattia Bellucci (first round)| Semifinals | Final | ||||||||||||
 Martín Landaluce | 3 | 3 | |||||||||||
| Q | Ethan Quinn | 6 | 6 | ||||||||||
| Q | Ethan Quinn | 4 | 4 | ||||||||||
| João Fonseca | 6 | 6 | |||||||||||
| 6 | Jacob Fearnley | 3 | 3 | ||||||||||
| João Fonseca | 6 | 6 | |||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | H Gaston | 2 | 2 | ||||||||||||||||||||||||
| PR | Y Watanuki | 6 | 6 | PR | Y Watanuki | 6 | 3 | 77 | |||||||||||||||||||
| LL | RA Burruchaga | 6 | 6 | LL | RA Burruchaga | 3 | 6 | 65 | |||||||||||||||||||
 J Faria | 3 | 3 | PR | Y Watanuki | |||||||||||||||||||||||
| L Van Assche | 4 | 4 | M Landaluce | w/o | |||||||||||||||||||||||
| WC |  D Sweeny | 6 | 6 | WC | D Sweeny | 1 | 2 | ||||||||||||||||||||
| M Landaluce | 6 | 6 | M Landaluce | 6 | 6 | ||||||||||||||||||||||
| 8 | M Bellucci | 3 | 2 | M Landaluce | 3 | 3 | |||||||||||||||||||||
| 3 | D Džumhur | 77 | 65 | 6 | Q | E Quinn | 6 | 6 | |||||||||||||||||||
| Q |  H Habib | 65 | 77 | 2 | 3 | D Džumhur | 5 | 5 | |||||||||||||||||||
 V Kopřiva | 77 | 3 | 6 | V Kopřiva | 7 | 7 | |||||||||||||||||||||
| Alt | M Krueger | 65 | 6 | 3 | V Kopřiva | 4 | 5 | ||||||||||||||||||||
| WC | B Ellis | 64 | 65 | Q | E Quinn | 6 | 7 | ||||||||||||||||||||
| Q | E Quinn | 77 | 77 | Q | E Quinn | 3 | 77 | 6 | |||||||||||||||||||
| Q | P Kypson | 6 | 4 | 6 | Q | P Kypson | 6 | 65 | 4 | ||||||||||||||||||
| 5 | S Nagal | 2 | 6 | 1 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | J Fearnley | 3 | 6 | 7 | |||||||||||||||||||||||
| WC | Matthew Dellavedova | 6 | 4 | 5 | 6 | J Fearnley | 6 | 6 | |||||||||||||||||||
 J Kym | 66 | 64 | Q | J Trotter | 2 | 4 | |||||||||||||||||||||
| Q | J Trotter | 78 | 77 | 6 | J Fearnley | 4 | 6 | 77 | |||||||||||||||||||
| C Eubanks | 6 | 77 | C Eubanks | 6 | 2 | 63 | |||||||||||||||||||||
| A Kovacevic | 3 | 65 | C Eubanks | 6 | 6 | ||||||||||||||||||||||
| Q |  A Galarneau | 77 | 6 | Q | A Galarneau | 4 | 4 | ||||||||||||||||||||
| 4 | T Daniel | 62 | 2 | 6 | J Fearnley | 3 | 3 | ||||||||||||||||||||
| 7 | D Koepfer | 4 | 4 | J Fonseca | 6 | 6 | |||||||||||||||||||||
| H Mayot | 6 | 6 | H Mayot | 77 | 6 | ||||||||||||||||||||||
 DE Galán | 6 | 3 | 6 | DE Galán | 65 | 4 | |||||||||||||||||||||
 R Collignon | 2 | 6 | 2 | H Mayot | 2 | 3 | |||||||||||||||||||||
| M McDonald | 1 | 3 | J Fonseca | 6 | 6 | ||||||||||||||||||||||
| J Fonseca | 6 | 6 | J Fonseca | 6 | 7 | ||||||||||||||||||||||
 D Ajduković | 6 | 6 | D Ajduković | 1 | 5 | ||||||||||||||||||||||
| 2 | F Díaz Acosta | 4 | 4 | ||||||||||||||||||||||||
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