| Singles | |
|---|---|
| 2017 Internazionali di Tennis del Friuli Venezia Giulia | |
| Champion |  Elias Ymer |
| Runner-up |  Roberto Carballés Baena |
| Score | 6–2, 6–3 |
Taro Daniel was the defending champion but chose not to defend his title.
Elias Ymer won the title after defeating Roberto Carballés Baena 6–2, 6–3 in the final.
Laslo Đere (semifinals, retired) Guillermo García López (first round)
Adam Pavlásek (second round) Roberto Carballés Baena (final)
Attila Balázs (first round)
Lorenzo Giustino (semifinals) Jaume Munar (second round) Andrea Arnaboldi (second round)| Semifinals | Final | ||||||||||||
| 1 | Laslo Đere | 1r | |||||||||||
| 4 | Roberto Carballés Baena | 5 | |||||||||||
| 4 | Roberto Carballés Baena | 2 | 3 | ||||||||||
| Elias Ymer | 6 | 6 | |||||||||||
| Elias Ymer | 6 | 6 | |||||||||||
| 6 | Lorenzo Giustino | 2 | 1 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | L Đere | 6 | 4 | 6 | |||||||||||||||||||||||
| Q |  M Cuevas | 4 | 6 | 4 | 1 | L Đere | 7 | 6 | |||||||||||||||||||
| Z Kolář | 3 | 6 | 1 | F Gaio | 5 | 2 | |||||||||||||||||||||
| F Gaio | 6 | 1 | 6 | 1 | L Đere | 6 | 61 | 6 | |||||||||||||||||||
| M Viola | 1 | 4 | E López-Pérez | 4 | 77 | 4 | |||||||||||||||||||||
| E López-Pérez | 6 | 6 | E López-Pérez | 6 | 6 | ||||||||||||||||||||||
| WC | L Sonego | 6 | 3 | 6 | WC | L Sonego | 3 | 4 | |||||||||||||||||||
| 5 | A Balázs | 2 | 6 | 3 | 1 | L Đere | 1r | ||||||||||||||||||||
| 4 | R Carballés Baena | 6 | 6 | 4 | R Carballés Baena | 5 | |||||||||||||||||||||
| Alt | M Ymer | 4 | 1 | 4 | R Carballés Baena | 6 | 6 | ||||||||||||||||||||
 K Majchrzak | 6 | 6 | K Majchrzak | 2 | 1 | ||||||||||||||||||||||
 P Cachin | 3 | 4 | 4 | R Carballés Baena | 6 | 6 | |||||||||||||||||||||
 I Gakhov | 64 | 1 |  G Oliveira | 3 | 1 | ||||||||||||||||||||||
| G Oliveira | 77 | 6 | G Oliveira | 6 | 6 | ||||||||||||||||||||||
| Marek Jaloviec | 3 | 2 | 7 | J Munar | 4 | 2 | |||||||||||||||||||||
| 7 | J Munar | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8 | A Arnaboldi | 6 | 6 | ||||||||||||||||||||||||
| Q | C Lindell | 1 | 4 | 8 | A Arnaboldi | 62 | 1 | ||||||||||||||||||||
| Q | A Virgili | 2 | 77 | 0 | P Martínez | 77 | 6 | ||||||||||||||||||||
| P Martínez | 6 | 64 | 6 | P Martínez | 62 | 3 | |||||||||||||||||||||
| E Ymer | 6 | 6 | E Ymer | 77 | 6 | ||||||||||||||||||||||
| Q | Gianluca Di Nicola | 2 | 3 | E Ymer | 6 | 6 | |||||||||||||||||||||
| WC | G Mager | 5 | 3 | 3 | A Pavlásek | 4 | 1 | ||||||||||||||||||||
| 3 | A Pavlásek | 7 | 6 | E Ymer | 6 | 6 | |||||||||||||||||||||
| 6 | L Giustino | 4 | 6 | 6 | 6 | L Giustino | 2 | 1 | |||||||||||||||||||
| G Quinzi | 6 | 2 | 1 | 6 | L Giustino | 3 | 6 | 6 | |||||||||||||||||||
| PR | D Muñoz de la Nava | 6 | 6 | PR | D Muñoz de la Nava | 6 | 2 | 3 | |||||||||||||||||||
| M Donati | 3 | 2 | 6 | L Giustino | 6 | 6 | |||||||||||||||||||||
| WC |  D Dima | 3 | 4 | WC | A Pellegrino | 3 | 3 | ||||||||||||||||||||
| WC | A Pellegrino | 6 | 6 | WC | A Pellegrino | 5 | 6 | 6 | |||||||||||||||||||
| D Petrović | 77 | 6 | D Petrović | 7 | 4 | 3 | |||||||||||||||||||||
| 2 | G García López | 63 | 2 | ||||||||||||||||||||||||
Víctor Estrella Burgos was the two-time defending champion and successfully defended his title, defeating Paolo Lorenzi in the final, 6–7(2–7), 7–5, 7–6(8–6).
Pablo Cuevas was the defending champion, but lost in the first round to Arthur De Greef.
Pablo Cuevas was the two-time defending champion and successfully defended his title, defeating Albert Ramos Viñolas in the final, 6–7(3–7), 6–4, 6–4.
João Souza was the defending champion but chose not to defend his title.
Leonardo Mayer was the defending champion but chose not to defend his title.
Víctor Estrella Burgos was the three-time defending champion and the tournament's only champion to date, but lost in the second round to Gerald Melzer.
Dominic Thiem was the defending champion, but lost in the quarterfinals to Fernando Verdasco.
Dominic Thiem defeated Daniil Medvedev in the final, 6–4, 6–0, to win the singles title at the 2019 Barcelona Open.
Tommy Robredo was the defending champion but retired in the first round against Maxime Janvier.
Marin Čilić was the defending champion, but lost in the second round to Diego Schwartzman.
Roberto Carballés Baena was the defending champion but retired in the third round against Jozef Kovalík.
Roberto Carballés Baena was the defending champion but chose not to defend his title.
Juan Pablo Varillas was the defending champion but chose not to participate.
Roberto Carballés Baena and Alejandro Davidovich Fokina were the defending champions, but Davidovich Fokina chose to participate in Marseille instead. Carballés Baena partnered Federico Coria but lost in the first round to Raven Klaasen and Ben McLachlan.
Albert Ramos Viñolas defeated Cameron Norrie in the final, 4–6, 6–3, 7–6(7–3) to win the singles tennis title at the 2021 Estoril Open. It marked his third career ATP Tour singles title, all of which have been on clay. Norrie was aiming to win his first ATP Tour title in his second final.
Alejandro Davidovich Fokina was the defending champion but chose not to defend his title.
Roberto Carballés Baena was the defending champion but lost in the final to Tallon Griekspoor.
Thanasi Kokkinakis defeated Arthur Rinderknech in the final, 6–7(6–8), 7–6(7–5), 6–3 to win the men's singles title at the 2022 Adelaide International 2. It was his maiden ATP Tour title, and he won it in his hometown of Adelaide. Kokkinakis saved a match point against Marin Čilić in the semifinals.
Pablo Cuevas was the defending champion but chose not to participate.
Tallon Griekspoor was the defending champion and successfully defended his title, defeating Roberto Carballés Baena 6–1, 6–2 in the final.