Czech Republic: Ostrava - Singles - Qualification |
| Semi-finals | Nicod J. | Castagnola L. | 2:0 (6:2, 6:1) | details | 21.04.2024 |
Tunisia: M15 Monastir 11 - Singles - Main |
| Semi-finals | Castagnola L. | Broska F. | 0:2 (3:6, 1:6) | details | 16.03.2024 |
| Quarter-finals | Castagnola L. | Potenza L. | 2:0 (6:3, 6:1) | details | 15.03.2024 |
| 1/8-finals | Castagnola L. | Buldorini P. | 2:0 (6:2, 6:4) | details | 14.03.2024 |
| 1/16-finals | Castagnola L. | Loge J. | 2:0 (6:1, 7:62) | details | 13.03.2024 |
Tunisia: M15 Monastir 10 - Singles - Main |
| Semi-finals | Castagnola L. | Potenza L. | 0:2 (62:7, 63:7) | details | 09.03.2024 |
| Quarter-finals | Deschamps T. | Castagnola L. | 1:2 (7:60, 62:7, 4:6) | details | 08.03.2024 |
| 1/8-finals | Alkotop M. | Castagnola L. | 0:2 (5:7, 2:6) | details | 07.03.2024 |
| 1/16-finals | Saar A. | Castagnola L. | 0:2 (0:6, 0:6) | details | 05.03.2024 |
Tunisia: M15 Monastir 7 - Singles - Main |
| Semi-finals | Blanch U. | Castagnola L. | 2:1 (7:65, 2:6, 6:4) | details | 18.02.2024 |
| Quarter-finals | Caniato C. A. | Castagnola L. | 0:2 (1:6, 1:6) | details | 16.02.2024 |
| 1/8-finals | Tammaro M. | Castagnola L. | 1:2 (7:5, 4:6, 1:6) | details | 15.02.2024 |
| 1/16-finals | Castagnola L. | Potenza L. | 2:0 (6:3, 6:3) | details | 13.02.2024 |
Tunisia: M15 Monastir 6 - Singles - Main |
| 1/8-finals | Barroso Campos A. | Castagnola L. | 2:0 (7:65, 6:3) | details | 08.02.2024 |
| 1/16-finals | Castagnola L. | Saitoh K. | 2:1 (4:6, 6:1, 7:5) | details | 07.02.2024 |
Tunisia: M15 Monastir 2 - Singles - Main |
| 1/8-finals | Matsuda R. | Castagnola L. | 2:1 (64:7, 6:2, 6:0) | details | 11.01.2024 |
| 1/16-finals | Castagnola L. | Park S. | 2:0 (6:0, 6:2) | details | 09.01.2024 |
Tunisia: M15 Monastir - Singles - Main |
| 1/16-finals | Castagnola L. | Bertimon M. | 0:2 (5:7, 1:6) | details | 03.01.2024 |
Egypt: M15 Sharm ElSheikh 13 - Singles - Main |
| Semi-finals | Castagnola L. | Ursu V. | 1:2 (3:6, 6:3, 3:6) | details | 14.10.2023 |
| Quarter-finals | Kukasian A. | Castagnola L. | 0:2 (3:6, 3:6) | details | 13.10.2023 |
| 1/8-finals | Binda A. | Castagnola L. | 1:2 (6:3, 3:6, 0:6) | details | 12.10.2023 |
| 1/16-finals | Czaplinski T. | Castagnola L. | 0:0 RET. (2:5) | details | 11.10.2023 |
Italy: M25 Santa Margherita di Pula 6 - Singles - Main |
| 1/16-finals | Castagnola L. | Bagnolini D. | 0:1 RET. (1:6, 0:2) | details | 19.09.2023 |
Germany: M15 Buschhausen - Singles - Main |
| Semi-finals | Forejtek J. | Castagnola L. | 2:0 (7:5, 6:0) | details | 16.09.2023 |
| Quarter-finals | Castagnola L. | Naw H. | 2:1 (0:6, 6:3, 6:4) | details | 15.09.2023 |
| 1/8-finals | Castagnola L. | Engel J. | 2:0 (6:1, 6:3) | details | 14.09.2023 |
| 1/16-finals | Castagnola L. | Palovic L. | 2:0 (6:1, 6:3) | details | 12.09.2023 |
Italy: Genova - Singles - Qualification |
| Final | Tseng C. H. | Castagnola L. | 2:0 (6:2, 6:3) | details | 04.09.2023 |
| Semi-finals | Castagnola L. | Piraino G. | 2:1 (6:3, 5:7, 6:1) | details | 03.09.2023 |
Italy: Como - Singles - Qualification |
| Semi-finals | Castagnola L. | Hemery C. | 0:2 (0:6, 4:6) | details | 28.08.2023 |
Italy: M25 Lesa - Singles - Main |
| 1/8-finals | Handel T. | Castagnola L. | 2:1 (2:6, 6:3, 6:4) | details | 24.08.2023 |
| 1/16-finals | Castagnola L. | Piatti R. | 2:0 (6:3, 7:5) | details | 22.08.2023 |
Italy: M15 Pescara - Singles - Main |
| Final | Carraro L. | Castagnola L. | 1:2 (2:6, 6:3, 1:6) | details | 12.08.2023 |
| Semi-finals | Castagnola L. | Perego G. | 2:0 (6:4, 6:4) | details | 11.08.2023 |
| Quarter-finals | Castagnola L. | Caniato C. A. | 2:0 (6:3, 6:1) | details | 10.08.2023 |
| 1/8-finals | Castagnola L. | Bacaloni A. | 2:0 (6:1, 6:4) | details | 09.08.2023 |
| 1/16-finals | Castagnola L. | Bagnolini D. | 2:1 (2:6, 6:3, 6:2) | details | 08.08.2023 |
Italy: M25 Bolzano - Singles - Main |
| 1/16-finals | Castagnola L. | Matusevich A. | 1:2 (4:6, 6:4, 65:7) | details | 31.07.2023 |
Italy: M15 Perugia - Singles - Main |
| Semi-finals | Castagnola L. | Tabacco F. | 1:2 (4:6, 6:1, 63:7) | details | 29.07.2023 |
| Quarter-finals | Castagnola L. | Yamacita F. | 2:1 (6:4, 4:6, 6:3) | details | 28.07.2023 |
| 1/8-finals | Martin Manzano J. C. | Castagnola L. | 1:2 (2:6, 6:4, 1:6) | details | 27.07.2023 |
| 1/16-finals | Castagnola L. | Bouquet L. | 2:0 (6:3, 6:3) | details | 26.07.2023 |
Italy: M15 Gubbio - Singles - Main |
| 1/8-finals | Tabacco F. | Castagnola L. | 1:1 RET. (5:7, 7:62, 5:3) | details | 20.07.2023 |
| 1/16-finals | Baroni N. | Castagnola L. | 0:2 (2:6, 3:6) | details | 19.07.2023 |