| Singles | |
|---|---|
| 2022 IBG Prague Open | |
| Champion |  Oleksii Krutykh |
| Runner-up |  Lucas Gerch |
| Score | 6–3, 6–7(2–7), 6–2 |
Franco Agamenone was the defending champion [1] but chose not to defend his title.
Oleksii Krutykh won the title after defeating Lucas Gerch 6–3, 6–7(2–7), 6–2 in the final.
Matteo Gigante (quarterfinals) Oleksii Krutykh (champion) Vitaliy Sachko (second round)
Oriol Roca Batalla (first round) Henri Squire (second round)
Ergi Kırkın (first round) Cem İlkel (first round)
Nicolas Moreno de Alboran (quarterfinals)| Semifinals | Final | ||||||||||||
| Lucas Gerch | 6 | 4 | 6 | ||||||||||
| Q |  João Domingues | 4 | 6 | 3 | |||||||||
| Lucas Gerch | 3 | 77 | 2 | ||||||||||
| 2 | Oleksii Krutykh | 6 | 62 | 6 | |||||||||
| WC |  Jakub Menšík | 5 | 3 | ||||||||||
| 2 | Oleksii Krutykh | 7 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | M Gigante | 77 | 2 | 6 | |||||||||||||||||||||||
 RA Burruchaga | 65 | 6 | 2 | 1 | M Gigante | 6 | 6 | ||||||||||||||||||||
| Q | M Vrbenský | 7 | 77 | Q | M Vrbenský | 2 | 3 | ||||||||||||||||||||
 K de Schepper | 5 | 65 | 1 | M Gigante | 5 | 2 | |||||||||||||||||||||
 A Andreev | 6 | 6 | L Gerch | 7 | 6 | ||||||||||||||||||||||
| M Rosenkranz | 3 | 3 | A Andreev | 4 | 4 | ||||||||||||||||||||||
| Lucas Gerch | 6 | 6 | L Gerch | 6 | 6 | ||||||||||||||||||||||
| 7 | C İlkel | 4 | 2 | L Gerch | 6 | 4 | 6 | ||||||||||||||||||||
| 3 | V Sachko | 6 | 6 | Q | J Domingues | 4 | 6 | 3 | |||||||||||||||||||
 M Dellien | 2 | 1 | 3 | V Sachko | 5 | 5 | |||||||||||||||||||||
| WC | Matěj Vocel | 3 | 1 | Q | J Domingues | 7 | 7 | ||||||||||||||||||||
| Q | J Domingues | 6 | 6 | Q | J Domingues | 77 | 6 | ||||||||||||||||||||
| A Fils | 4 | 1 | M Navone | 63 | 3 | ||||||||||||||||||||||
| M Navone | 6 | 6 | M Navone | 7 | 6 | ||||||||||||||||||||||
 L Neumayer | 1 | 4 | 5 | H Squire | 5 | 1 | |||||||||||||||||||||
| 5 | H Squire | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | E Kırkın | 6 | 4 | 61 | |||||||||||||||||||||||
| L Rosol | 4 | 6 | 77 | L Rosol | 2 | 4 | |||||||||||||||||||||
| Q | A Menéndez Maceiras | 3 | 0r | WC | J Menšík | 6 | 6 | ||||||||||||||||||||
| WC | J Menšík | 6 | 4 | WC | J Menšík | 7 | 6 | ||||||||||||||||||||
| Q |  M Cuevas | 2 | 6 | 6 | Q | M Cuevas | 5 | 2 | |||||||||||||||||||
| Q | Martin Krumich | 6 | 3 | 3 | Q | M Cuevas | 6 | 6 | |||||||||||||||||||
| Alt | M Gengel | 6 | 64 | 6 | Alt | M Gengel | 0 | 1 | |||||||||||||||||||
| 4 | O Roca Batalla | 4 | 77 | 3 | WC | J Menšík | 5 | 3 | |||||||||||||||||||
| 8 | N Moreno de Alboran | 6 | 3 | 7 | 2 | O Krutykh | 7 | 6 | |||||||||||||||||||
| A Moro Cañas | 3 | 6 | 5 | 8 | N Moreno de Alboran | 7 | 5 | 7 | |||||||||||||||||||
| Alexis Gautier | 4 | 1 |  R Collignon | 5 | 7 | 5 | |||||||||||||||||||||
| R Collignon | 6 | 6 | 8 | N Moreno de Alboran | 4 | 6 | 68 | ||||||||||||||||||||
| WC | P Nouza | 6 | 63 | 6 | 2 | O Krutykh | 6 | 3 | 710 | ||||||||||||||||||
| Q |  VV Cornea | 3 | 77 | 2 | WC | P Nouza | 3 | 4 | |||||||||||||||||||
| M Copil | 1 | 6 | 65 | 2 | O Krutykh | 6 | 6 | ||||||||||||||||||||
| 2 | O Krutykh | 6 | 4 | 77 | |||||||||||||||||||||||
Sebastian Korda, the son of 1998 men's singles champion Petr Korda, won the boys' singles tennis title at the 2018 Australian Open, defeating Tseng Chun-hsin in the final, 7–6(8–6), 6–4.
Riccardo Bonadio and Giovanni Fonio were the defending champions but withdrew from the tournament before their quarterfinal match.
Stefano Travaglia was the defending champion but chose not to defend his title.
Thiago Monteiro was the defending champion but chose not to defend his title.
Taro Daniel was the defending champion but chose not to defend his title.
The 2023 Australian Open – Men's singles qualifying was a series of tennis matches that took place from 9 to 12 January 2023 to determine the sixteen qualifiers into the main draw of the men's singles tournament, and, if necessary, the lucky losers.
Matteo Arnaldi was the defending champion but chose not to defend his title.
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Hsu Yu-hsiou and Oleksii Krutykh were the defending champions but chose not to defend their title.
This was the first edition of the tournament.
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Defending champion Carlos Alcaraz defeated Stefanos Tsitsipas in the final, 6–3, 6–4 to win the singles tennis title at the 2023 Barcelona Open. He did not lose a single set in the entire tournament.
Evan Furness was the defending champion but retired from his first round match against Gaël Monfils.
Franco Agamenone was the defending champion but lost in the quarterfinals to Jesper de Jong.
Bernabé Zapata Miralles was the defending champion but chose not to defend his title.
Oleksii Krutykh was the defending champion but chose not to defend his title.
Alexander Ritschard was the defending champion but chose not to defend his title.
Fabio Fognini won the title after defeating Roberto Bautista Agut 3–6, 7–6(10–8), 7–6(7–3) in the final. He saved two championship points in the second set. This was the fifth final in ATP Challenger history to feature two former Top 10 ranked players and the first one since the 2006 Montevideo final between Guillermo Cañas and Nicolás Lapentti.
Oleksii Krutykh and Oriol Roca Batalla were the defending champions but chose to defend their title with different partners. Krutykh partnered Sumit Nagal but lost in the first round to Marco Bortolotti and Alexandru Jecan. Roca Batalla partnered Daniel Rincón but lost in the final to Andrea Pellegrino and Andrea Vavassori.
Thiago Seyboth Wild was the defending champion but chose not to defend his title.