| Singles | |
|---|---|
| 2023 Wolffkran Open | |
| Champion |  Antoine Bellier |
| Runner-up |  Maximilian Marterer |
| Score | 7–6(7–5), 6–7(5–7), 7–6(8–6) |
Quentin Halys was the defending champion [1] but chose not to defend his title.
Antoine Bellier won the title after defeating Maximilian Marterer 7–6(7–5), 6–7(5–7), 7–6(8–6) in the final.
Dominic Stricker (second round, retired) Maximilian Marterer (final)
Maxime Cressy (first round)
Lloyd Harris (withdrew)
Damir Džumhur (first round)
Jan Choinski (first round)
Vitaliy Sachko (first round) Marc-Andrea Hüsler (quarterfinals)
Harold Mayot (first round)| Semifinals | Final | ||||||||||||
| Rudolf Molleker | 65 | 2 | |||||||||||
| Q | Antoine Bellier | 77 | 6 | ||||||||||
| Q | Antoine Bellier | 77 | 65 | 78 | |||||||||
| 2 | Maximilian Marterer | 65 | 77 | 66 | |||||||||
 Lukáš Klein | 4 | 4 | |||||||||||
| 2 | Maximilian Marterer | 6 | 6 | ||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 1 | D Stricker | 77 | 3 | 6 | |||||||||||||||||||||||
| Q |  J Sousa | 64 | 6 | 3 | 1 | D Stricker | 77 | 1r | |||||||||||||||||||
| R Molleker | 77 | 4 | 6 | R Molleker | 62 | 4 | |||||||||||||||||||||
| WC | D Masur | 64 | 6 | 3 | R Molleker | 7 | 67 | 6 | |||||||||||||||||||
| Alt | M Bourgue | 6 | 6 | Alt |  A Kachmazov | 5 | 79 | 3 | |||||||||||||||||||
| O Krutykh | 3 | 0 | Alt | M Bourgue | 77 | 3 | 3 | ||||||||||||||||||||
| Alt | A Kachmazov | 6 | 5 | 6 | Alt | A Kachmazov | 61 | 6 | 6 | ||||||||||||||||||
| 6 | J Choinski | 4 | 7 | 2 | R Molleker | 65 | 2 | ||||||||||||||||||||
| 9 | H Mayot | 61 | 3 | Q | A Bellier | 77 | 6 | ||||||||||||||||||||
| Q | A Bellier | 77 | 6 | Q | A Bellier | 6 | 77 | ||||||||||||||||||||
| WC | M Topo | 77 | 3 | 63 | O Otte | 4 | 63 | ||||||||||||||||||||
| O Otte | 62 | 6 | 77 | Q | A Bellier | 6 | 6 | ||||||||||||||||||||
 D Yevseyev | 3 | 4 | 8 | M-A Hüsler | 3 | 2 | |||||||||||||||||||||
| H Squire | 6 | 6 | H Squire | 3 | 7 | 65 | |||||||||||||||||||||
 M Poljičak | 4 | 1 | 8 | M-A Hüsler | 6 | 5 | 77 | ||||||||||||||||||||
| 8 | M-A Hüsler | 6 | 6 | ||||||||||||||||||||||||
| First round | Second round | Quarterfinals | Semifinals | ||||||||||||||||||||||||
| 5 | D Džumhur | 3 | 6 | 1 | |||||||||||||||||||||||
| L Klein | 6 | 3 | 6 | L Klein | 60 | 6 | 6 | ||||||||||||||||||||
| N Fatić | 7 | 7 | N Fatić | 77 | 4 | 4 | |||||||||||||||||||||
| LL |  M Copil | 5 | 5 | L Klein | 6 | 6 | |||||||||||||||||||||
 M Valkusz | 4 | 613 | WC | MH Rehberg | 3 | 2 | |||||||||||||||||||||
| Q | M Rosenkranz | 6 | 715 | Q | M Rosenkranz | 65 | 4 | ||||||||||||||||||||
| WC | MH Rehberg | 65 | 6 | 77 | WC | MH Rehberg | 77 | 6 | |||||||||||||||||||
| 3 | M Cressy | 77 | 4 | 64 | L Klein | 4 | 4 | ||||||||||||||||||||
| 7 | V Sachko | 6 | 63 | 3 | 2 | M Marterer | 6 | 6 | |||||||||||||||||||
| Timo Stodder | 3 | 77 | 6 | T Stodder | 69 | 3 | |||||||||||||||||||||
| Q |  A Paulson | 6 | 66 | 6 | Q | A Paulson | 711 | 6 | |||||||||||||||||||
| Q | L Wessels | 4 | 78 | 3 | Q | A Paulson | 2 | 4 | |||||||||||||||||||
 A Andreev | 612 | 4 | 2 | M Marterer | 6 | 6 | |||||||||||||||||||||
| Q |  K Żuk | 714 | 6 | Q | K Żuk | 3 | 63 | ||||||||||||||||||||
 M Geerts | 3 | 4 | 2 | M Marterer | 6 | 77 | |||||||||||||||||||||
| 2 | M Marterer | 6 | 6 | ||||||||||||||||||||||||
Tomáš Berdych was the defending champion and successfully defended his title, defeating Jack Sock in the final, 7–6(7–1), 6–2.
Viktor Troicki was the defending champion and successfully defended his title, defeating Grigor Dimitrov in the final, 2–6, 6–1, 7–6(9–7).
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.
Taylor Fritz was the defending champion but chose not to defend his title.
Roberto Bautista Agut was the defending champion, but lost in the semifinals to David Goffin.
Pierre-Hugues Herbert was the defending champion but withdrew before the tournament began.
Albert Ramos Viñolas was the defending champion, but lost in the quarterfinals to Fernando Verdasco.
Paolo Lorenzi was the defending champion, but lost in the second round to João Sousa.
Adam Pavlásek was the defending champion but chose not to defend his title.
Ernesto Escobedo was the defending champion but lost in the first round to Mats Moraing.
Steve Darcis was the defending champion but chose not to defend his title.
Julien Benneteau was the defending champion but chose not to defend his title.
Mathias Bourgue was the defending champion but lost in the second round to Constant Lestienne.
Maximilian Marterer was the defending champion but chose not to defend his title.
Gianluigi Quinzi was the defending champion but lost in the second round to Tomislav Brkić.
Dennis Novak was the defending champion but chose not to defend his title.
Grégoire Barrère was the defending champion but lost in the final to Zizou Bergs.
This was the first edition of the tournament and the first Challenger tournament in Turin since 2011.
Jason Jung was the defending champion but lost in the second round to Maximilian Marterer.