| Singles | |
|---|---|
| 2023 Salzburg Open | |
| Champion |  Sebastian Ofner |
| Runner-up | Lukas Neumayer |
| Score | 6–3, 6–2 |
Thiago Monteiro was the defending champion [1] but lost in the quarterfinals to Lukas Neumayer.
Sebastian Ofner won the title after defeating Neumayer 6–3, 6–2 in the final.
Roberto Carballés Baena (first round)
Juan Pablo Varillas (second round) Sebastian Ofner (champion)
Thiago Monteiro (quarterfinals)
Juan Manuel Cerúndolo (semifinals) Jurij Rodionov (second round) Facundo Bagnis (second round) Filip Misolic (quarterfinals)| Semifinals | Final | ||||||||||||
| Q |  Blaž Rola | 4 | 6 | 5 | |||||||||
| WC | Lukas Neumayer | 6 | 3 | 7 | |||||||||
| WC | Lukas Neumayer | 3 | 2 | ||||||||||
| 3 | Sebastian Ofner | 6 | 6 | ||||||||||
| 3 | Sebastian Ofner | 6 | 6 | ||||||||||
| 5 | Juan Manuel Cerúndolo | 0 | 2 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | R Carballés Baena | 64 | 1 | ||||||||||||||||||||||||
| Q | B Rola | 77 | 6 | Q | B Rola | 6 | 1 | 6 | |||||||||||||||||||
| WC | N Oberleitner | 78 | 1 | 1 | Alt |  V Kopřiva | 3 | 6 | 3 | ||||||||||||||||||
| Alt | V Kopřiva | 66 | 6 | 6 | Q | B Rola | 6 | 6 | |||||||||||||||||||
 N Gombos | 77 | 3 | 5 | 8 | F Misolic | 3 | 3 | ||||||||||||||||||||
| SE |  M Guinard | 65 | 6 | 7 | SE | M Guinard | 5 | 65 | |||||||||||||||||||
| Q | Sandro Kopp | 5 | 2 | 8 | F Misolic | 7 | 77 | ||||||||||||||||||||
| 8 | F Misolic | 7 | 6 | Q | B Rola | 4 | 6 | 5 | |||||||||||||||||||
| 4 | T Monteiro | 6 | 3 | 77 | WC | L Neumayer | 6 | 3 | 7 | ||||||||||||||||||
 O Krutykh | 3 | 6 | 63 | 4 | T Monteiro | 4 | 6 | 6 | |||||||||||||||||||
 A Ritschard | 6 | 3 | 5 | M Trungelliti | 6 | 4 | 3 | ||||||||||||||||||||
| M Trungelliti | 1 | 6 | 7 | 4 | T Monteiro | 4 | 4 | ||||||||||||||||||||
 S Nagal | 4 | 63 | WC | L Neumayer | 6 | 6 | |||||||||||||||||||||
| WC | L Neumayer | 6 | 77 | WC | L Neumayer | 77 | 7 | ||||||||||||||||||||
| M Neuchrist | 4 | 77 | 5 | 7 | F Bagnis | 63 | 5 | ||||||||||||||||||||
| 7 | F Bagnis | 6 | 64 | 7 | |||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 6 | J Rodionov | 6 | 2 | 77 | |||||||||||||||||||||||
| Q |  V Durasovic | 4 | 6 | 64 | 6 | J Rodionov | 5 | 4 | |||||||||||||||||||
| M Pucinelli de Almeida | 0 | 5 | Alt |  N Fatić | 7 | 6 | |||||||||||||||||||||
| Alt | N Fatić | 6 | 7 | Alt | N Fatić | 6 | 64 | 5 | |||||||||||||||||||
| D Novak | 5 | 7 | 3 | 3 | S Ofner | 4 | 77 | 7 | |||||||||||||||||||
| L Klein | 7 | 5 | 6 | L Klein | 4 | 5 | |||||||||||||||||||||
| A Collarini | 4 | 2 | 3 | S Ofner | 6 | 7 | |||||||||||||||||||||
| 3 | S Ofner | 6 | 6 | 3 | S Ofner | 6 | 6 | ||||||||||||||||||||
| 5 | JM Cerúndolo | 6 | 6 | 5 | JM Cerúndolo | 0 | 2 | ||||||||||||||||||||
| Q | M Chazal | 3 | 4 | 5 | JM Cerúndolo | 6 | 4 | 6 | |||||||||||||||||||
| Q | Alex Barrena | 6 | 6 | Q | A Barrena | 2 | 6 | 1 | |||||||||||||||||||
| Q |  A Santillan | 3 | 0 | 5 | JM Cerúndolo | 1 | 6 | 6 | |||||||||||||||||||
| D Džumhur | 5 | 3 |  E Ymer | 6 | 2 | 3 | |||||||||||||||||||||
| E Ymer | 7 | 6 | E Ymer | 77 | 6 | ||||||||||||||||||||||
| WC | F Delbonis | 4 | 1 | 2 | JP Varillas | 63 | 2 | ||||||||||||||||||||
| 2 | JP Varillas | 6 | 6 | ||||||||||||||||||||||||
Agustín Velotti was the defending champion but was not eligible to participate.
Bjorn Fratangelo won this event, defeating 14th-seed Dominic Thiem 3–6, 6–3, 8–6 in the final.
Márton Fucsovics was the defending champion but was no longer eligible to compete as a Junior.
Jack Sock was the defending champion, but participated in the men's main draw, as he was ineligible to defend his title.
Duilio Beretta and Oliver Golding were the defending champions but did not enter this year.
Marin Čilić was the defending champion, but lost in the second round to Malek Jaziri.
Guido Andreozzi was the defending champion but lost in the second round to Emilio Gómez.
Rudolf Molleker was the defending champion but lost in the quarterfinals to Dennis Novak.
Yannick Hanfmann was the defending champion but lost in the second round to Casper Ruud.
Nikoloz Basilashvili was the defending champion and successfully defended his title, defeating Andrey Rublev in the final, 7–5, 4–6, 6–3. En route to doing so, Basilashvili saved two match points against Alexander Zverev in the semifinals.
Cristian Garín 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.
Fabio Fognini was the champion in 2014, when the event was last held, but chose to compete in Dubai instead.
Thiago Monteiro was the defending champion but chose not to defend his title.
Cristian Garín was the defending champion, but chose not to defend his title.
Andrey Rublev was the defending champion, but chose to not defend his title as he and other Russian Olympic athletes were sent to Yuzhno-Sakhalinsk for training sessions.
Sumit Nagal was the defending champion but chose not to defend his title.
Hugo Dellien was the defending champion but lost in the quarterfinals to Juan Manuel Cerúndolo.
Jaume Munar was the defending champion but lost in the semifinals to Juan Ignacio Londero.
Francisco Cerúndolo was the defending champion but lost in the semifinals to Sebastián Báez.
Rinky Hijikata and Jason Kubler defeated Hugo Nys and Jan Zieliński in the final, 6–4, 7–6(7–4) to win the men's doubles tennis title at the 2023 Australian Open. Awarded a wildcard into the tournament, Hijikata and Kubler saved a match point en route to the title, in their third round match against Tomislav Brkić and Gonzalo Escobar. Nys became the first ever Monegasque player to reach the semifinal and final of a major.