| Ilkley, Great Britain | 06/20 11:30 | 25 | [240] Quinzi, Gianluigi v Alex Bolt [438] | 1-6,4-6 | |
| Lisbon, Portugal | 06/17 16:15 | 28 | [93] Taro Daniel v Quinzi, Gianluigi [263] | 7-6,7-6 | |
| Lisbon, Portugal | 06/16 16:00 | 27 | [154] Sousa, Pedro v Quinzi, Gianluigi [263] | 6-3,6-7,2-6 | |
| Lisbon, Portugal | 06/14 11:20 | 26 | [250] Lloyd Harris v Quinzi, Gianluigi [263] | 1-6,4-6 | |
| Lisbon, Portugal | 06/13 12:55 | 25 | [263] Quinzi, Gianluigi v Pavlasek, Adam [140] | 6-1,6-3 | |
| Challenger Mestre | 05/26 15:30 | 27 | [246] Blake Mott v Quinzi, Gianluigi [237] | Retired | |
| Challenger Mestre | 05/24 15:00 | 26 | [237] Quinzi, Gianluigi v Zampieri, Caio [332] | 6-2,6-3 | |
| Challenger Mestre | 05/23 11:05 | 25 | [262] Lloyd Harris v Quinzi, Gianluigi [237] | 4-6,2-6 | |
| Challenger Mestre Qual | 05/22 10:00 | 54 | Quinzi, Gianluigi v Zapata Miralles, Bernabe | 6-1,2-6,6-0 | |
| Challenger Mestre Qual | 05/21 10:35 | 46 | Quinzi, Gianluigi v Bossel, Adrien | 6-2,4-6,6-3 | |
| Challenger - Rome | 05/11 13:10 | 27 | [258] Quinzi, Gianluigi v Marco Cecchinato [136] | 3-6,3-6 | |
| Challenger - Rome | 05/10 16:45 | 26 | [129] Maximilian Marterer v Quinzi, Gianluigi [258] | 5-7,1-6 | |
| Challenger - Rome | 05/08 15:00 | 25 | [258] Quinzi, Gianluigi v Tristan Lamasine [206] | 6-1,6-1 | |
| Anning, China | 04/27 03:35 | 26 | [263] Oscar Otte v Quinzi, Gianluigi [252] | 6-2,6-3 | |
| Anning, China | 04/25 08:25 | 25 | [252] Quinzi, Gianluigi v Mathias Bourgue [140] | Retired | |
| Challenger Anning Qual | 04/24 05:00 | 54 | [252] Quinzi, Gianluigi v Oswald, Philipp [67] | 6-3,7-5 | |
| Challenger Anning Qual | 04/23 05:05 | 46 | Quinzi, Gianluigi v Marcan, Dino | 6-4,7-6 | |
| Challenger Qingdao | 04/20 03:00 | 26 | [174] Kimmer Coppejans v Quinzi, Gianluigi [258] | 3-6,6-3,6-3 | |
| Challenger Qingdao | 04/18 06:15 | 25 | [258] Quinzi, Gianluigi v Kavcic, Blaz [129] | 6-4,6-4 | |
| ATP - Marrakech | 04/13 12:00 | 26 | [37] Lorenzi, Paolo v Quinzi, Gianluigi [304] | 7-6,2-6,6-4 | |
| ATP - Marrakech | 04/11 15:50 | 25 | [115] Mathieu, Paul-Henri v Quinzi, Gianluigi [304] | 6-7,3-6 | |
| Marrakech, Morocco, Qualifying | 04/09 13:40 | 46 | Quinzi, Gianluigi v Duckhee Lee | 6-2,6-3 | |
| Marrakech, Morocco, Qualifying | 04/08 13:35 | 45 | [103] Evgeny Donskoy v Quinzi, Gianluigi [305] | 6-7,6-3,3-6 | |
| Challenger Leon Qual | 03/27 17:45 | 46 | [283] Quinzi, Gianluigi v Londero, Juan Ignacio [377] | 4-6,7-5,1-6 | |
| Challenger Leon Qual | 03/26 16:00 | 45 | Quinzi, Gianluigi v Vega, Juan Jose | 6-0,6-3 | |
| Challenger - Buenos Aires | 03/17 15:00 | 26 | [298] Quinzi, Gianluigi v Taro Daniel [119] | 4-6,0-6 | |
| Challenger - Buenos Aires | 03/15 14:00 | 25 | [263] Clezar, Guilherme v Quinzi, Gianluigi [298] | 2-6,5-7 | |
| Challenger Budapest | 02/09 10:00 | 26 | Quinzi, Gianluigi v Alexey Vatutin | 6-1,2-6,2-6 | |
| Challenger Budapest | 02/08 16:00 | 25 | Quinzi, Gianluigi v Balazs, Attila | 6-2,6-3 | |
| Challenger Budapest Qual | 02/06 13:30 | 54 | Bachinger, Matthias v Quinzi, Gianluigi | 6-2,3-6,6-1 |