| Singles | |
|---|---|
| 2017 Internazionali di Tennis Città di Vicenza | |
| Champion |  Márton Fucsovics |
| Runner-up |  Laslo Đere |
| Final score | 4–6, 7–6(9–7), 6–2 |
Guido Andreozzi was the defending champion but lost in the first round to Lorenzo Giustino.
Márton Fucsovics won the title after defeating Laslo Đere 4–6, 7–6(9–7), 6–2 in the final.
Andrej Martin (first round)
Alessandro Giannessi (first round)
Gerald Melzer (first round)
Guido Andreozzi (first round)
Maximilian Marterer (second round)
Roberto Carballés Baena (first round) Laslo Đere (final)
João Souza (first round)| Semifinals | Final | ||||||||||||
 Jan Šátral | 77 | 62 | 1 | ||||||||||
| Márton Fucsovics | 64 | 77 | 6 | ||||||||||
| Márton Fucsovics | 4 | 79 | 6 | ||||||||||
| 7 | Laslo Đere | 6 | 67 | 2 | |||||||||
| Lorenzo Giustino | 4 | 6 | 3 | ||||||||||
| 7 | Laslo Đere | 6 | 2 | 6 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | A Martin | 3 | 1 | ||||||||||||||||||||||||
| J Šátral | 6 | 6 | J Šátral | 6 | 6 | ||||||||||||||||||||||
| M González | 62 | 4 | WC | G Mager | 4 | 4 | |||||||||||||||||||||
| WC | G Mager | 77 | 6 | J Šátral | 77 | 6 | |||||||||||||||||||||
| R Ramírez Hidalgo | 4 | 4 | WC | M Berrettini | 64 | 3 | |||||||||||||||||||||
| WC | M Berrettini | 6 | 6 | WC | M Berrettini | 6 | 6 | ||||||||||||||||||||
 M Krueger | 2 | 6 | 65 | 5 | M Marterer | 3 | 2 | ||||||||||||||||||||
| 5 | M Marterer | 6 | 1 | 77 | J Šátral | 77 | 62 | 1 | |||||||||||||||||||
| 3 | G Melzer | 6 | 3 | 2 | M Fucsovics | 64 | 77 | 6 | |||||||||||||||||||
| Q | Edoardo Eremin | 4 | 6 | 6 | Q | E Eremin | 2 | 5 | |||||||||||||||||||
| M Fucsovics | 6 | 3 | 6 | M Fucsovics | 6 | 7 | |||||||||||||||||||||
| Q | F Coria | 3 | 6 | 2 | M Fucsovics | 7 | 6 | ||||||||||||||||||||
| L Mayer | 6 | 77 | WC | M Donati | 5 | 1 | |||||||||||||||||||||
| Í Cervantes | 4 | 64 | L Mayer | 6 | 1 | 2 | |||||||||||||||||||||
| WC | M Donati | 6 | 2 | 6 | WC | M Donati | 3 | 6 | 6 | ||||||||||||||||||
| 8 | J Souza | 3 | 6 | 2 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | R Carballés Baena | 0 | 1 | ||||||||||||||||||||||||
| Q | C-M Stebe | 6 | 6 | Q | C-M Stebe | 3 | 4 | ||||||||||||||||||||
| PR | D Muñoz de la Nava | 6 | 6 | PR | D Muñoz de la Nava | 6 | 6 | ||||||||||||||||||||
 S Diez | 4 | 0 | PR | D Muñoz de la Nava | 6 | 3 | 2 | ||||||||||||||||||||
| S Caruso | 6 | 6 | L Giustino | 3 | 6 | 6 | |||||||||||||||||||||
| Q |  B Rola | 4 | 3 | S Caruso | 1 | 2 | |||||||||||||||||||||
| L Giustino | 6 | 6 | L Giustino | 6 | 6 | ||||||||||||||||||||||
| 4 | G Andreozzi | 3 | 2 | L Giustino | 4 | 6 | 3 | ||||||||||||||||||||
| 7 | L Đere | 1 | 3 | 7 | L Đere | 6 | 2 | 6 | |||||||||||||||||||
| SE |  B Mott | 6 | 0r | 7 | L Đere | 6 | 4 | 6 | |||||||||||||||||||
 C Garin | 6 | 6 | C Garin | 1 | 6 | 3 | |||||||||||||||||||||
 J De Loore | 4 | 1 | 7 | L Đere | 77 | 4 | 6 | ||||||||||||||||||||
| SE |  J Domingues | 6 | 3 | 6 | WC | F Krajinović | 64 | 6 | 4 | ||||||||||||||||||
 U Ignatik | 4 | 6 | 3 | SE | J Domingues | 5 | 62 | ||||||||||||||||||||
| WC | F Krajinović | 6 | 3 | 6 | WC | F Krajinović | 7 | 77 | |||||||||||||||||||
| 2 | A Giannessi | 3 | 6 | 3 | |||||||||||||||||||||||
Paolo Lorenzi was the defending champion but chose not to participate.
Dominic Thiem was the defending champion, but chose to compete in Rotterdam instead.
Federico Delbonis was the defending champion but retired in the first round against Reda El Amrani.
Nicolás Kicker was the defending champion but lost in the second round to Gleb Sakharov.
This was the first edition of the tournament.
This was the first edition of the tournament.
This was the first edition of the tournament.
Marco Cecchinato was the defending champion but chose not to defend his title.
Jo-Wilfried Tsonga was the defending champion, but due to injury did not defend his title.
Jiří Veselý was the defending champion but lost in the second round to Elias Ymer.
Paolo Lorenzi was the defending champion but lost in the first round to Alejandro Davidovich Fokina.
Guido Pella was the defending champion but chose not to defend his title.
Roger Federer was the defending champion and successfully defended his title, defeating Marius Copil in the final, 7–6(7–5), 6–4.
Roberto Bautista Agut was the defending champion, but withdrew before the tournament began.
Mischa Zverev was the defending champion, but chose not to participate this year.
Juan Ignacio Londero was the defending champion, but lost to Laslo Đere in the quarterfinals.
Marco Cecchinato was the defending champion, but lost in the first round to Roberto Carballés Baena.
Laslo Đere was the defending champion, but withdrew with an abdominal injury before the tournament began.
Dominic Thiem was the defending champion and chose not to defend his title, as he was still competing at the 2020 US Open.
Lorenzo Sonego defeated defending champion Laslo Đere in the final, 2–6, 7–6(7–5), 6–4 to win the men's singles title at the 2021 Sardegna Open. With the victory, Sonego became the first Italian in 15 years to capture an ATP Tour title on home soil.