| Singles | |
|---|---|
| 2017 Internazionali di Tennis Castel del Monte | |
| Champion |  Uladzimir Ignatik |
| Runner-up |  Christopher Heyman |
| Final score | 6–7(3–7), 6–4, 7–6(7–3) |
Luca Vanni was the defending champion but chose not to defend his title.
Uladzimir Ignatik won the title after defeating Christopher Heyman 6–7(3–7), 6–4, 7–6(7–3) in the final.
Stefano Travaglia (first round)
Ričardas Berankis (second round)
Mirza Bašić (semifinals) Aldin Šetkić (second round) Uladzimir Ignatik (champion)
Viktor Galović (quarterfinals) Lorenzo Sonego (second round)
Zdeněk Kolář (quarterfinals)| Semifinals | Final | ||||||||||||
| 5 | Uladzimir Ignatik | 67 | 77 | 78 | |||||||||
| WC | Filippo Baldi | 79 | 65 | 66 | |||||||||
| 5 | Uladzimir Ignatik | 63 | 6 | 77 | |||||||||
| Q | Christopher Heyman | 77 | 4 | 63 | |||||||||
| 3 | Mirza Bašić | 3 | 7 | 5 | |||||||||
| Q | Christopher Heyman | 6 | 5 | 7 | |||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | S Travaglia | 6 | 4 | 64 | |||||||||||||||||||||||
| A Basso | 3 | 6 | 77 | A Basso | 69 | 6 | 3 | ||||||||||||||||||||
| F Škugor | 6 | 79 | F Škugor | 711 | 3 | 6 | |||||||||||||||||||||
| L Grigelis | 3 | 67 | F Škugor | 4 | 4 | ||||||||||||||||||||||
 A Olivetti | 77 | 3 | 6 | 5 | U Ignatik | 6 | 6 | ||||||||||||||||||||
| M Viola | 63 | 6 | 2 | A Olivetti | 65 | 2 | |||||||||||||||||||||
| Alessandro Petrone | 4 | 2 | 5 | U Ignatik | 77 | 6 | |||||||||||||||||||||
| 5 | U Ignatik | 6 | 6 | 5 | U Ignatik | 67 | 77 | 78 | |||||||||||||||||||
| 4 | A Šetkić | 6 | 6 | WC | F Baldi | 79 | 65 | 66 | |||||||||||||||||||
| LL |  D Matsukevich | 4 | 3 | 4 | A Šetkić | 4 | 66 | ||||||||||||||||||||
| WC | A Pellegrino | 6 | 6 | WC | A Pellegrino | 6 | 78 | ||||||||||||||||||||
 R Kern | 4 | 4 | WC | A Pellegrino | 4 | 3 | |||||||||||||||||||||
| Marek Jaloviec | 3 | 4 | WC | F Baldi | 6 | 6 | |||||||||||||||||||||
| WC | F Baldi | 6 | 6 | WC | F Baldi | 6 | 6 | ||||||||||||||||||||
| Q | A Vavassori | 5 | 2 | 7 | L Sonego | 4 | 4 | ||||||||||||||||||||
| 7 | L Sonego | 7 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | V Galović | 77 | 6 | ||||||||||||||||||||||||
| WC | Enrico Dalla Valle | 63 | 4 | 6 | V Galović | 6 | 77 | ||||||||||||||||||||
| Q | Gianluca Di Nicola | 6 | 5 | 6 | Q | G Di Nicola | 4 | 64 | |||||||||||||||||||
| I Gakhov | 4 | 7 | 4 | 6 | V Galović | 4 | 4 | ||||||||||||||||||||
| M Donati | 65 | 1 | 3 | M Bašić | 6 | 6 | |||||||||||||||||||||
| E Karlovskiy | 77 | 6 | E Karlovskiy | 65 | 4 | ||||||||||||||||||||||
 F Horanský | 1 | 3 | 3 | M Bašić | 77 | 6 | |||||||||||||||||||||
| 3 | M Bašić | 6 | 6 | 3 | M Bašić | 3 | 7 | 5 | |||||||||||||||||||
| 8 | Z Kolář | 6 | 65 | 6 | Q | C Heyman | 6 | 5 | 7 | ||||||||||||||||||
| Lorenzo Frigerio | 4 | 77 | 3 | 8 | Z Kolář | 6 | 6 | ||||||||||||||||||||
| Q | C Lestienne | 4 | 6 | 4 | PR |  I Sijsling | 3 | 3 | |||||||||||||||||||
| PR | I Sijsling | 6 | 2 | 6 | 8 | Z Kolář | 5 | 65 | |||||||||||||||||||
| Q | Christopher Heyman | 77 | 6 | Q | C Heyman | 7 | 77 | ||||||||||||||||||||
| A Arnaboldi | 62 | 4 | Q | C Heyman | 6 | 6 | |||||||||||||||||||||
| A Bega | 1 | 63 | 2 | R Berankis | 3 | 3 | |||||||||||||||||||||
| 2 | R Berankis | 6 | 77 | ||||||||||||||||||||||||
Thiemo de Bakker was the defending champion, but did not complete in the Juniors this year.
Mikhail Kukushkin successfully defended his title, defeating Konstantin Kravchuk in the final 6–3, 6–7(3), 6–3.
Lu Yen-hsun successfully defended his title by defeating Jimmy Wang 7–5, 6–3 in the final.
Robert Kendrick was the defending champion but decided not to participate. Izak van der Merwe won the title, defeating Jesse Levine 4–6, 6–3, 6–4 in the final.
Kei Nishikori was the defending champion but decided not to participate.
Jesse Levine won the title, defeating Brian Baker 6–2, 6–3 in the final.
Dmitry Tursunov was the defending champion but decided not to participate.
Dustin Brown won the title, defeating Jan Mertl 7–6(7–1), 6–4 in the final.
Pierre-Hugues Herbert and Édouard Roger-Vasselin were the defending champions but Roger-Vasselin decided not to participate.
Herbert played alongside Laurent Rochette.
Laurynas Grigelis and Uladzimir Ignatik won the title 6–7(4–7), 6–3, [10–6] against Jordi Marsé-Vidri and Carles Poch-Gradin in the final.
Lu Yen-hsun successfully defended his title by defeating Yūichi Sugita 6–3, 7–6(7–4) in the final.
Íñigo Cervantes was the defending champion but chose not to participate.
Rogério Dutra Silva was the defending champion but chose not to defend his title.
Andreas Haider-Maurer was the defending champion but chose not to defend his title.
Daniel Muñoz de la Nava was the defending champion but chose not to defend his title.
Malek Jaziri was the defending champion but chose not to defend his title.
Jordan Thompson was the defending champion but chose not to defend his title.
Philipp Kohlschreiber was the defending champion, but lost in the second round to Horacio Zeballos.
Egor Gerasimov was the defending champion and successfully defended his title.
Ričardas Berankis was the defending champion but chose not to defend his title.
Cedrik-Marcel Stebe was the defending champion but chose not to defend his title.
Uladzimir Ignatik was the defending champion but lost in the second round to Ugo Humbert.
Yasutaka Uchiyama was the defending champion but chose not to defend his title.