| Challenger Antalya | 03/07 10:00 | 25 | Gerald Melzer v Gianluca Mager | Cancelled | |
| Challenger Tenerife | 02/08 12:25 | 26 | [241] Gianluca Mager v Francesco Maestrelli [183] | 7-6,3-6,4-6 | |
| Challenger Tenerife | 02/07 11:20 | 25 | [366] Gian Marco Moroni v Gianluca Mager [241] | 3-6,2-6 | |
| Challenger Tenerife | 01/31 15:05 | 25 | [447] Daniel Cox v Gianluca Mager [238] | 7-6,3-6,6-2 | |
| Challenger Tenerife | 01/18 15:00 | 26 | [244] Gianluca Mager v Riccardo Bonadio [189] | 2-6,4-6 | |
| Challenger Tenerife | 01/16 17:55 | 25 | [244] Gianluca Mager v Lukas Rosol [214] | 6-2,6-3 | |
| Australian Open | 01/11 01:00 | 15 | [188] Oleksii Krutykh v Gianluca Mager [225] | 6-2,7-6 | |
| Australian Open | 01/09 06:35 | 14 | [225] Gianluca Mager v Filip Misolic [149] | 6-2,3-6,7-6 | |
| Challenger Nonthaburi | 01/03 03:00 | 25 | [212] Gianluca Mager v Henri Squire [357] | 3-6,7-6,3-6 | |
| Challenger Brest | 10/24 14:30 | 25 | [315] Arthur Fils v Gianluca Mager [172] | 6-7,6-4,6-4 | |
| Challenger Vilnius | 10/20 09:00 | 26 | [177] Gianluca Mager v Zdenek Kolar [242] | 6-7,4-6 | |
| Challenger Vilnius | 10/18 15:00 | 25 | [177] Gianluca Mager v Maxime Janvier [289] | 6-7,6-3,6-4 | |
| Challenger Parma | 10/08 11:00 | 28 | [209] Timofey Skatov v Gianluca Mager [184] | 7-6,6-2 | |
| Challenger Parma | 10/07 13:45 | 27 | [184] Gianluca Mager v Dusan Lajovic [85] | 7-6,6-3 | |
| Challenger Parma | 10/05 12:00 | 26 | [184] Gianluca Mager v Federico Arnaboldi [497] | 6-2,6-3 | |
| Challenger Parma | 10/04 11:30 | 25 | [114] Marco Cecchinato v Gianluca Mager [184] | 7-5,4-6,3-6 | |
| Challenger Lisbon | 09/29 15:00 | 26 | [137] Marco Cecchinato v Gianluca Mager [162] | 6-1,7-6 | |
| Challenger Lisbon | 09/26 14:40 | 25 | [234] Miljan Zekic v Gianluca Mager [162] | 4-6,4-6 | |
| Challenger Genova | 09/20 20:10 | 25 | [93] Dusan Lajovic v Gianluca Mager [162] | 6-4,7-6 | |
| Challenger Szczecin | 09/14 11:00 | 26 | [167] Gianluca Mager v Corentin Moutet [84] | 2-6,0-6 | |
| Challenger Szczecin | 09/12 11:00 | 25 | [250] Timofey Skatov v Gianluca Mager [166] | 3-6,6-1,4-6 | |
| Challenger Tulln | 09/07 12:45 | 26 | [114] Norbert Gombos v Gianluca Mager [166] | 6-4,7-5 | |
| Challenger Tulln | 09/05 13:30 | 25 | [152] Flavio Cobolli v Gianluca Mager [166] | 2-6,7-6,6-7 | |
| Challenger Toulouse | 09/01 11:45 | 26 | [166] Gianluca Mager v Maxime Janvier [343] | 6-7,4-6 | |
| Challenger Toulouse | 08/30 11:30 | 25 | [166] Gianluca Mager v Andrey Chepelev [346] | 6-3,7-6 | |
| Challenger Toulouse | 08/30 08:00 | 25 | Gianluca Mager v Sebastian Fanselow | Cancelled | |
| US Open | 08/24 15:00 | 14 | [165] Gianluca Mager v Fernando Verdasco [124] | 6-7,3-6 | |
| Challenger Zug | 07/26 12:55 | 25 | [150] Gianluca Mager v Ernests Gulbis [365] | 7-6,4-6,2-6 | |
| Challenger Trieste | 07/19 18:30 | 25 | [141] Gianluca Mager v Nerman Fatic [284] | 3-6,0-6 | |
| Challenger Verona | 07/12 08:30 | 25 | [188] Riccardo Bonadio v Gianluca Mager [147] | 6-4,3-6,6-1 |
Wikipedia - Gianluca Mager
Gianluca Mager (born 1 December 1994) is an Italian tennis player. He has a career-high ATP singles ranking of No. 66 achieved on 13 September 2021. He also has a career high ATP doubles ranking of No. 310 achieved on 10 June 2019.