| Singles | |
|---|---|
| 2021 Aspria Tennis Cup | |
| Champion |  Gian Marco Moroni |
| Runner-up |  Federico Coria |
| Score | 6–3, 6–2 |
Hugo Dellien was the defending champion [1] but chose not to defend his title.
Gian Marco Moroni won the title after defeating Federico Coria 6–3, 6–2 in the final.
Federico Coria (final)
Holger Rune (semifinals)
Ulises Blanch (second round) Facundo Mena (first round, retired)
Gastão Elias (quarterfinals)
Tristan Lamasine (second round)
Teymuraz Gabashvili (first round) Gian Marco Moroni (champion)| Semifinals | Final | ||||||||||||
| 1 | Federico Coria | 6 | 6 | ||||||||||
| Hugo Grenier | 4 | 3 | |||||||||||
| 1 | Federico Coria | 3 | 2 | ||||||||||
| 8/WC | Gian Marco Moroni | 6 | 6 | ||||||||||
| 8/WC | Gian Marco Moroni | 77 | 6 | ||||||||||
| 2 | Holger Rune | 64 | 1 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | F Coria | 6 | 6 | ||||||||||||||||||||||||
| R Bonadio | 2 | 2 | 1 | F Coria | 710 | 6 | |||||||||||||||||||||
 M Bašić | 6 | 7 | M Bašić | 68 | 3 | ||||||||||||||||||||||
 V Kopřiva | 3 | 5 | 1 | F Coria | 6 | 6 | |||||||||||||||||||||
| J Lehečka | 6 | 77 | 5 | G Elias | 2 | 0 | |||||||||||||||||||||
| WC | L Vanni | 3 | 65 | J Lehečka | 2 | 4 | |||||||||||||||||||||
| Q | J Forejtek | 4 | 2 | 5 | G Elias | 6 | 6 | ||||||||||||||||||||
| 5 | G Elias | 6 | 6 | 1 | F Coria | 6 | 6 | ||||||||||||||||||||
| 4 | F Mena | 0 | 0r | H Grenier | 4 | 3 | |||||||||||||||||||||
 P Krstin | 6 | 3 | P Krstin | 6 | 0 | 6 | |||||||||||||||||||||
| SE | M Guinard | 4 | 79 | 5 | SE | M Guinard | 4 | 6 | 4 | ||||||||||||||||||
 A Menéndez Maceiras | 6 | 67 | 1r | P Krstin | 4 | 4 | |||||||||||||||||||||
| H Grenier | 6 | 6 | H Grenier | 6 | 6 | ||||||||||||||||||||||
| A Vatutin | 3 | 2 | H Grenier | 3 | 6 | 77 | |||||||||||||||||||||
| Q | G Zeppieri | 6 | 77 | Q | G Zeppieri | 6 | 3 | 65 | |||||||||||||||||||
| 7 | T Gabashvili | 1 | 64 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 8/WC | GM Moroni | 6 | 6 | ||||||||||||||||||||||||
| PR |  V Galović | 2 | 3 | 8/WC | GM Moroni | 6 | 6 | ||||||||||||||||||||
| Q |  O Luz | 77 | 4 | 7 | Q | O Luz | 3 | 4 | |||||||||||||||||||
| Alt | N Serdarušić | 65 | 6 | 5 | 8/WC | GM Moroni | 6 | 7 | |||||||||||||||||||
 J Lenz | 1 | 2 | Q | D Ajduković | 3 | 5 | |||||||||||||||||||||
| Q | D Ajduković | 6 | 6 | Q | D Ajduković | 6 | 6 | ||||||||||||||||||||
| G García López | 6 | 3 | 2 | 3 | U Blanch | 3 | 1 | ||||||||||||||||||||
| 3 | U Blanch | 3 | 6 | 6 | 8/WC | GM Moroni | 77 | 6 | |||||||||||||||||||
| 6 | T Lamasine | 3 | 6 | 7 | 2 | H Rune | 64 | 1 | |||||||||||||||||||
| A Arnaboldi | 6 | 1 | 5 | 6 | T Lamasine | 1 | 4 | ||||||||||||||||||||
| WC | R Brancaccio | 5 | 3 | P Cachin | 6 | 6 | |||||||||||||||||||||
| P Cachin | 7 | 6 | P Cachin | 6 | 63 | 68 | |||||||||||||||||||||
 E Benchetrit | 4 | 1 | 2 | H Rune | 0 | 77 | 710 | ||||||||||||||||||||
 M Jaziri | 6 | 6 | M Jaziri | 3 | 1 | ||||||||||||||||||||||
 T-l Wu | 64 | 5 | 2 | H Rune | 6 | 6 | |||||||||||||||||||||
| 2 | H Rune | 77 | 7 | ||||||||||||||||||||||||
Gerald Melzer was the defending champion but lost in the first round to Federico Coria.
Marc Polmans was the defending champion but lost in the second round to Tristan Lamasine.
Marco Cecchinato was the defending champion but chose not to defend his title.
Hugo Dellien was the defending champion but chose not to defend his title.
Adam Pavlásek was the defending champion but lost in the semifinals to Gian Marco Moroni.
Laslo Đere was the defending champion but chose not to defend his title.
Cristian Garín was the defending champion but chose not to defend his title.
Pablo Cuevas was the defending champion but lost in the quarterfinals to Daniel Altmaier.
Norbert Gombos was the defending champion but lost in the second round to Filip Horanský.
Kamil Majchrzak was the defending champion but chose not to defend his title.
Yannick Hanfmann was the defending champion but chose not to defend his title.
Facundo Mena was the defending champion but chose not to defend his title.
Jaume Munar was the defending champion but lost in the semifinals to Juan Ignacio Londero.
Carlos Alcaraz defeated Diego Schwartzman in the final, 6–4, 6–2 to win the singles title at the 2022 Rio Open. Alcaraz became the youngest winner of an ATP Tour 500 event since the category was created in 2009.
Carlos Gimeno Valero was the defending champion but lost in the second round to Salvatore Caruso.
Carlos Alcaraz defeated Pablo Carreño Busta in the final, 6–3, 6–2 to win the singles tennis title at the 2022 Barcelona Open. Alcaraz saved two match points en route to the title, in the semifinals against Alex de Minaur. With the win, Alcaraz entered the top 10 in rankings for the first time in his career, becoming the youngest man to do so since Rafael Nadal in 2005.
Sebastian Korda was the defending champion but chose not to defend his title.
Gian Marco Moroni was the defending champion but withdrew from the tournament due to a back injury.
Hugo Dellien was the defending champion but chose not to defend his title.
Sebastián Báez defeated Federico Coria in the final, 6–1, 3–6, 6–3 to win the singles tennis title at the 2023 Córdoba Open.