| Singles | |
|---|---|
| 2018 Internazionali di Tennis d'Abruzzo | |
| Champion |  Gianluigi Quinzi |
| Runner-up |  Casper Ruud |
| Final score | 6–4, 6–1 |
Pedro Sousa was the defending champion but chose not to defend his title.
Gianluigi Quinzi won the title after defeating Casper Ruud 6–4, 6–1 in the final.
Ruben Bemelmans (first round) Stefano Travaglia (first round)
Gastão Elias (withdrew) Simone Bolelli (withdrew)
Liam Broady (second round)
Félix Auger-Aliassime (second round)
Viktor Galović (second round)
Renzo Olivo (second round) Salvatore Caruso (first round)| Semifinals | Final | ||||||||||||
 Tallon Griekspoor | 4 | 2 | |||||||||||
| WC | Gianluigi Quinzi | 6 | 6 | ||||||||||
| WC | Gianluigi Quinzi | 6 | 6 | ||||||||||
| Casper Ruud | 4 | 1 | |||||||||||
| Casper Ruud | 7 | 6 | |||||||||||
| Q |  Antoine Hoang | 5 | 4 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | R Bemelmans | 4 | 4 | ||||||||||||||||||||||||
| LL | K Coppejans | 6 | 6 | LL | K Coppejans | 6 | 3 | 7 | |||||||||||||||||||
| A Collarini | 6 | 78 | A Collarini | 4 | 6 | 5 | |||||||||||||||||||||
| WC | GM Moroni | 2 | 66 | LL | K Coppejans | 0 | 1 | ||||||||||||||||||||
| T Griekspoor | 6 | 3 | 6 | T Griekspoor | 6 | 6 | |||||||||||||||||||||
 T Brkić | 2 | 6 | 3 | T Griekspoor | 79 | 6 | |||||||||||||||||||||
 L Rosol | 77 | 3 | 4 | 8 | R Olivo | 67 | 4 | ||||||||||||||||||||
| 8 | R Olivo | 65 | 6 | 6 | T Griekspoor | 4 | 2 | ||||||||||||||||||||
| Q | L Vanni | 6 | 62 | 6 | WC | G Quinzi | 6 | 6 | |||||||||||||||||||
| LL | M Viola | 2 | 77 | 4 | Q | L Vanni | 62 | 2 | |||||||||||||||||||
| WC | G Quinzi | 6 | 6 | WC | G Quinzi | 77 | 6 | ||||||||||||||||||||
| Q | J De Loore | 4 | 3 | WC | G Quinzi | 6 | 5 | 6 | |||||||||||||||||||
| LL | E Benchetrit | 62 | 6 | 4 | WC | A Pellegrino | 4 | 7 | 2 | ||||||||||||||||||
| WC | A Pellegrino | 77 | 3 | 6 | WC | A Pellegrino | 6 | 2 | 6 | ||||||||||||||||||
| LL |  Zh Zhang | 1 | 4 | 7 | V Galović | 3 | 6 | 3 | |||||||||||||||||||
| 7 | V Galović | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | F Auger-Aliassime | 7 | 77 | ||||||||||||||||||||||||
| Q |  D Kuzmanov | 5 | 62 | 6 | F Auger-Aliassime | 5 | 0 | ||||||||||||||||||||
| C Ruud | 7 | 2 | 6 | C Ruud | 7 | 6 | |||||||||||||||||||||
| A De Greef | 5 | 6 | 1 | C Ruud | 66 | 6 | 7 | ||||||||||||||||||||
| N Serdarušić | 3 | 2 | M Donati | 78 | 4 | 5 | |||||||||||||||||||||
| M Bourgue | 6 | 6 | M Bourgue | 4 | 6 | 4 | |||||||||||||||||||||
| M Donati | 6 | 6 | M Donati | 6 | 2 | 6 | |||||||||||||||||||||
| 9 | S Caruso | 0 | 3 | C Ruud | 7 | 6 | |||||||||||||||||||||
| 5 | L Broady | 6 | 2 | 7 | Q | A Hoang | 5 | 4 | |||||||||||||||||||
| Z Kolář | 0 | 6 | 5 | 5 | L Broady | 68 | 1 | ||||||||||||||||||||
| WC | F Baldi | 6 | 2 | 6 | WC | F Baldi | 710 | 6 | |||||||||||||||||||
| J Domingues | 2 | 6 | 3 | WC | F Baldi | 4 | 5 | ||||||||||||||||||||
 S Nagal | 4 | 2 | Q | A Hoang | 6 | 7 | |||||||||||||||||||||
| Q | A Hoang | 6 | 6 | Q | A Hoang | 6 | 3 | 6 | |||||||||||||||||||
| G Oliveira | 6 | 6 | G Oliveira | 1 | 6 | 3 | |||||||||||||||||||||
| 2 | S Travaglia | 0 | 1 | ||||||||||||||||||||||||
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