| Challenger - Perúgia | 07/13 17:00 | 27 | [197] Daniel Gimeno-Traver v Gianluigi Quinzi [200] | 1-6,2-6 | |
| Challenger - Perúgia | 07/12 11:00 | 26 | [200] Gianluigi Quinzi v Matteo Donati [176] | 6-4,6-4 | |
| Challenger - Perúgia | 07/11 13:00 | 25 | [196] Ricardo Ojeda Lara v Gianluigi Quinzi [200] | 4-6,5-7 | |
| Challenger - Milão | 06/28 15:30 | 26 | [241] Andrea Arnaboldi v Gianluigi Quinzi [206] | 7-5,2-6,6-3 | |
| Challenger - Milão | 06/26 13:40 | 25 | [281] Hernan Casanova v Gianluigi Quinzi [206] | 4-6,4-6 | |
| Challenger L'Aquila | 06/22 13:00 | 27 | [213] Guilherme Clezar v Gianluigi Quinzi [216] | 6-3,1-6,7-6 | |
| Challenger L'Aquila | 06/21 08:00 | 26 | [410] Benjamin Hassan v Gianluigi Quinzi [216] | 3-6,4-6 | |
| Challenger L'Aquila | 06/18 17:00 | 25 | [244] Roberto Quiroz v Gianluigi Quinzi [216] | 2-6,4-6 | |
| Challenger de Vicenza | 05/31 12:30 | 26 | [231] Guilherme Clezar v Gianluigi Quinzi [204] | 6-4,6-3 | |
| Challenger de Vicenza | 05/30 09:00 | 25 | [351] Gianluca Mager v Gianluigi Quinzi [204] | 2-6,3-6 | |
| Challenger - Mestre | 05/27 13:00 | 29 | [358] Gian Marco Moroni v Gianluigi Quinzi [243] | 2-6,2-6 | |
| Challenger - Mestre | 05/26 11:00 | 28 | [243] Gianluigi Quinzi v Danilo Petrovic [235] | 6-2,7-6 | |
| Challenger - Mestre | 05/25 13:50 | 27 | [276] Lorenzo Giustino v Gianluigi Quinzi [243] | 6-2,6-7,3-6 | |
| Challenger - Mestre | 05/24 12:55 | 26 | [318] Filippo Baldi v Gianluigi Quinzi [243] | Retired | |
| Challenger - Mestre | 05/23 10:15 | 25 | [316] Federico Gaio v Gianluigi Quinzi [243] | 6-7,3-6 | |
| Challenger - Roma | 05/11 11:50 | 28 | [259] Gianluigi Quinzi v Adam Pavlasek [245] | 7-6,3-6,5-7 | |
| Challenger - Roma | 05/10 11:00 | 27 | [259] Gianluigi Quinzi v Rogerio Dutra Silva [116] | 6-4,6-4 | |
| Challenger - Roma | 05/09 10:25 | 26 | [107] Ruben Bemelmans v Gianluigi Quinzi [259] | 6-4,1-6,2-6 | |
| Challenger - Roma | 05/08 12:05 | 25 | [259] Gianluigi Quinzi v Roberto Marcora [463] | 6-4,6-4 | |
| Challenger - Ostrava | 05/04 12:20 | 27 | [265] Gianluigi Quinzi v Gregoire Barrere [282] | 2-6,6-7 | |
| Challenger - Ostrava | 05/02 10:30 | 26 | [265] Gianluigi Quinzi v Lorenzo Giustino [250] | 6-3,6-2 | |
| Challenger - Ostrava | 05/01 09:00 | 25 | [189] Gleb Sakharov v Gianluigi Quinzi [265] | 2-6,1-6 | |
| Challenger - Francavilla | 04/29 13:00 | 29 | [347] Gianluigi Quinzi v Casper Ruud [205] | 6-4,6-1 | |
| Challenger - Francavilla | 04/28 12:45 | 28 | [237] Tallon Griekspoor v Gianluigi Quinzi [347] | 4-6,2-6 | |
| Challenger - Francavilla | 04/27 12:00 | 27 | [347] Gianluigi Quinzi v Andrea Pellegrino [328] | 6-4,5-7,6-2 | |
| Challenger - Francavilla | 04/26 14:30 | 26 | [321] Luca Vanni v Gianluigi Quinzi [347] | 6-7,2-6 | |
| Challenger - Francavilla | 04/24 16:30 | 25 | [347] Gianluigi Quinzi v Joris De Loore [319] | 6-4,6-3 | |
| Challenger - Alicante - Qualificação | 03/31 14:55 | 45 | [388] Jordi Samper-Montana v Gianluigi Quinzi [283] | 6-2,3-6,6-4 | |
| Challenger - Marbelha - Qualificação | 03/24 13:45 | 45 | [218] Sumit Nagal v Gianluigi Quinzi [283] | 6-3,3-6,6-3 | |
| Challenger - Shenzhen - Qualificação | 03/12 03:00 | 54 | Blaz Rola v Gianluigi Quinzi | 6-3,6-4 |