| Singles | |
|---|---|
| 2019 Internazionali di Tennis Città dell'Aquila | |
| Champion |  Andrea Collarini |
| Runner-up |  Andrej Martin |
| Score | 6–3, 6–1 |
Facundo Bagnis was the defending champion [1] but chose not to defend his title.
Andrea Collarini won the title after defeating Andrej Martin 6–3, 6–1 in the final.
All seeds receive a bye into the second round.
Andrej Martin (final)
Alejandro Tabilo (second round)
Dmitry Popko (semifinals)
Thomaz Bellucci (second round)
Pavel Kotov (third round)
Nino Serdarušić (second round) Aslan Karatsev (second round)
Frederico Ferreira Silva (third round)
Aleksandar Vukic (quarterfinals)
Raúl Brancaccio (second round) Facundo Mena (third round) Gian Marco Moroni (second round)
Sasikumar Mukund (second round) Francisco Cerúndolo (quarterfinals)
Marc-Andrea Hüsler (third round) Marcelo Tomás Barrios Vera (second round)| Quarterfinals | Semifinals | Final | ||||||||||||||||||
| 1 | Andrej Martin | 3 | 77 | 6 | ||||||||||||||||
| Guilherme Clezar | 6 | 62 | 4 | |||||||||||||||||
| 1 | Andrej Martin | 6 | 6 | |||||||||||||||||
| 3/ITF | Dmitry Popko | 3 | 0 | |||||||||||||||||
| 3/ITF | Dmitry Popko | 710 | 6 | |||||||||||||||||
 Johannes Härteis | 68 | 2 | ||||||||||||||||||
| 1 | Andrej Martin | 3 | 1 | |||||||||||||||||
| Andrea Collarini | 6 | 6 | ||||||||||||||||||
| Andrea Collarini | 2 | 6 | 78 | |||||||||||||||||
| 14/ITF | Francisco Cerúndolo | 6 | 2 | 66 | ||||||||||||||||
| Andrea Collarini | 4 | 77 | 77 | |||||||||||||||||
 Carlos Taberner | 6 | 64 | 64 | |||||||||||||||||
| 9 | Aleksandar Vukic | 3 | 1 | |||||||||||||||||
| Carlos Taberner | 6 | 6 | ||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 1 | A Martin | 6 | 6 | ||||||||||||||||||||||||
| G Quinzi | 6 | 6 | G Quinzi | 3 | 2 | ||||||||||||||||||||||
 A González | 3 | 1 | 1 | A Martin | 6 | 6 | |||||||||||||||||||||
| S Fanselow | 5 | 3 | P Torebko | 2 | 4 | ||||||||||||||||||||||
| P Torebko | 7 | 6 | P Torebko | 3 | 6 | 6 | |||||||||||||||||||||
| 16 | MT Barrios Vera | 6 | 3 | 2 | |||||||||||||||||||||||
| 1 | A Martin | 3 | 77 | 6 | |||||||||||||||||||||||
| G Clezar | 6 | 62 | 4 | ||||||||||||||||||||||||
| 11 | F Mena | 7 | 6 | ||||||||||||||||||||||||
 S Griekspoor | 3 | 710 | 78 | S Griekspoor | 5 | 2 | |||||||||||||||||||||
| C Gómez-Herrera | 6 | 68 | 66 | 11 | F Mena | 77 | 4 | 4 | |||||||||||||||||||
| G Clezar | 6 | 6 | G Clezar | 63 | 6 | 6 | |||||||||||||||||||||
| Alt | A Pavić | 3 | 2 | G Clezar | 7 | 6 | |||||||||||||||||||||
| 7 | A Karatsev | 5 | 4 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 3/ITF | D Popko | 6 | 6 | ||||||||||||||||||||||||
 K Sultanov | 6 | 77 | K Sultanov | 3 | 4 | ||||||||||||||||||||||
| L Musetti | 1 | 63 | 3/ITF | D Popko | 6 | 77 | |||||||||||||||||||||
| ITF |  Tom Jomby | 2 | 3 |  J Zopp | 3 | 65 | |||||||||||||||||||||
| J Zopp | 6 | 6 | J Zopp | 7 | 6 | ||||||||||||||||||||||
| 13 | S Mukund | 5 | 4 | ||||||||||||||||||||||||
| 3/ITF | D Popko | 710 | 6 | ||||||||||||||||||||||||
| J Härteis | 68 | 2 | |||||||||||||||||||||||||
| 12 | GM Moroni | 4 | 6 | 4 | |||||||||||||||||||||||
| ITF | JP Ficovich | 63 | 77 | 6 | ITF | JP Ficovich | 6 | 4 | 6 | ||||||||||||||||||
 M Cuevas | 77 | 65 | 1 | ITF | JP Ficovich | 3 | 66 | ||||||||||||||||||||
| R Bonadio | 4 | 4 | J Härteis | 6 | 78 | ||||||||||||||||||||||
| J Härteis | 6 | 6 | J Härteis | 77 | 6 | ||||||||||||||||||||||
| 6 | N Serdarušić | 65 | 3 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 8 | F Ferreira Silva | 6 | 4 | 6 | |||||||||||||||||||||||
| ITF | C O'Connell | 4 | 2 | WC | C Alcaraz | 3 | 6 | 3 | |||||||||||||||||||
| WC | C Alcaraz | 6 | 6 | 8 | F Ferreira Silva | 4 | 6 | 3 | |||||||||||||||||||
| A Collarini | 6 | 6 | A Collarini | 6 | 3 | 6 | |||||||||||||||||||||
| Q | C Rodríguez | 2 | 1 | A Collarini | 6 | 3 | 6 | ||||||||||||||||||||
| 10 | R Brancaccio | 3 | 6 | 3 | |||||||||||||||||||||||
| A Collarini | 2 | 6 | 78 | ||||||||||||||||||||||||
| 14/ITF | F Cerúndolo | 6 | 2 | 66 | |||||||||||||||||||||||
| 14/ITF | F Cerúndolo | 5 | 77 | 6 | |||||||||||||||||||||||
| WC | Luca Pancaldi | 0 | 2 | WC | G Di Nicola | 7 | 64 | 3 | |||||||||||||||||||
| WC | Gianluca Di Nicola | 6 | 6 | 14/ITF | F Cerúndolo | 6 | 6 | ||||||||||||||||||||
| T Seyboth Wild | 6 | 6 | T Seyboth Wild | 4 | 3 | ||||||||||||||||||||||
 T Brkić | 2 | 4 | T Seyboth Wild | 7 | 77 | ||||||||||||||||||||||
| 4 | T Bellucci | 5 | 64 | ||||||||||||||||||||||||
| First round | Second round | Third round | Quarterfinals | ||||||||||||||||||||||||
| 5 | P Kotov | 6 | 710 | ||||||||||||||||||||||||
| Q | A Vavassori | 7 | 3 | 77 | Q | A Vavassori | 2 | 68 | |||||||||||||||||||
| J Sels | 5 | 6 | 62 | 5 | P Kotov | 4 | 3 | ||||||||||||||||||||
 G Escobar | 6 | 3 | 77 | 9 | A Vukic | 6 | 6 | ||||||||||||||||||||
| WC | F Forti | 3 | 6 | 64 | G Escobar | 3 | 4 | ||||||||||||||||||||
| 9 | A Vukic | 6 | 6 | ||||||||||||||||||||||||
| 9 | A Vukic | 3 | 1 | ||||||||||||||||||||||||
| C Taberner | 6 | 6 | |||||||||||||||||||||||||
| 15 | M-A Hüsler | 6 | 6 | ||||||||||||||||||||||||
| T Gabashvili | 4 | 1 | T Gabashvili | 1 | 3 | ||||||||||||||||||||||
| WC |  M Valkusz | 6 | 0r | 15 | M-A Hüsler | 5 | 2 | ||||||||||||||||||||
| C Taberner | 77 | 7 | C Taberner | 7 | 6 | ||||||||||||||||||||||
| D Gimeno Traver | 65 | 5 | C Taberner | 6 | 67 | 6 | |||||||||||||||||||||
| 2 | A Tabilo | 4 | 79 | 0 | |||||||||||||||||||||||
Robin Haase was the two-time defending champion, but lost in the semifinals to Marcel Granollers. Granollers went on to win the title, defeating Juan Mónaco in the final, 0–6, 7–6(7–3), 6–4.
Mikhail Kukushkin was the defending champion but chose to compete in the 2014 Aegon Championships instead.
Pablo Cuevas was the defending champion and successfully defended his title, defeating Pablo Carreño Busta in the final, 7–6(7–4), 6–3.
Peđa Krstin was the defending champion but lost in the first round to Caio Zampieri.
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.
Andrey Rublev was the defending champion, but lost in the quarterfinals to Robin Haase. This was Rublev's first tournament back on tour after missing three months due to a stress fracture in his back.
Elias Ymer was the defending champion but chose not to defend his title.
Guido Andreozzi was the defending champion but lost in the second round to Emilio Gómez.
Marco Cecchinato was the defending champion but chose not to defend his title.
Andrej Martin was the defending champion but lost in the second round to Alex Molčan.
Salvatore Caruso was the defending champion but lost in the second round to Jan Choinski.
Andrej Martin and Hans Podlipnik Castillo were the defending champions but chose not to defend their title.
Cristian Garín was the defending champion but chose not to defend his title.
Guido Andreozzi was the defending champion but chose not to defend his title.
Guido Pella was the defending champion but chose not to defend his title.
Thiago Monteiro was the defending champion and successfully defended his title, defeating Marco Cecchinato 7–6(7–3), 6–7(6–8), 7–5 in the final.
Facundo Mena was the defending champion but chose not to defend his title.
Nicolás Jarry was the defending champion but chose not to defend his title.
Marc-Andrea Hüsler was the defending champion but lost in the semifinals to Antoine Bellier.
Bernabé Zapata Miralles was the defending champion but lost in the quarterfinals to Andrej Martin.