| 华伦西亚挑战赛 | 11/19 12:30 | 14 | 尼古拉斯•阿尔瓦雷斯•瓦罗纳 v 洛伦佐∙吉斯蒂诺 | 6-4,6-4 | |
| ATP索菲亚 | 11/04 13:30 | 14 | [274] 洛伦佐∙吉斯蒂诺 v 伊利娅•马切科 [210] | 6-7,7-6,3-6 | |
| 深圳挑战赛 | 10/20 05:25 | 27 | [290] 洛伦佐∙吉斯蒂诺 v 亚历山大•科瓦切维奇 [112] | 3-6,6-3,3-6 | |
| 深圳挑战赛 | 10/19 07:55 | 26 | [362] 科林•辛克莱 v 洛伦佐∙吉斯蒂诺 [290] | 3-6,4-6 | |
| 深圳挑战赛 | 10/16 05:10 | 26 | [290] 洛伦佐∙吉斯蒂诺 v Rigele Te [482] | 6-4,6-3 | |
| 深圳挑战赛 | 10/11 02:00 | 25 | [278] 洛伦佐∙吉斯蒂诺 v 特伦斯•阿特曼 [148] | 6-7,3-6 | |
| ATP 上海 | 10/02 05:55 | 14 | [344] 本杰明•洛克 v 洛伦佐∙吉斯蒂诺 [279] | 7-6,3-6,6-4 | |
| ATP珠海 | 09/19 04:30 | 14 | [281] 洛伦佐∙吉斯蒂诺 v 亚历克斯•博尔特 [323] | 4-6,3-6 | |
| 挑战者 广州 | 09/12 03:50 | 25 | [279] 洛伦佐∙吉斯蒂诺 v 特伦斯•阿特曼 [173] | 0-6,6-4,3-6 | |
| 挑战赛 上海 | 09/08 05:50 | 27 | [296] 洛伦佐∙吉斯蒂诺 v 商竣程 [178] | 1-6,4-6 | |
| 挑战赛 上海 | 09/07 03:00 | 26 | [214] Yunchaokete Bu v 洛伦佐∙吉斯蒂诺 [296] | 1-6,4-6 | |
| 挑战赛 上海 | 09/05 03:00 | 25 | [346] 守屋宏纪 v 洛伦佐∙吉斯蒂诺 [296] | 1-6,2-6 | |
| 张家港挑战赛 | 08/31 06:20 | 26 | [296] 洛伦佐∙吉斯蒂诺 v 詹姆斯•麦卡比 [281] | 4-6,6-3,1-6 | |
| 张家港挑战赛 | 08/30 04:45 | 25 | 列昂尼德•申格日赫特 v 洛伦佐∙吉斯蒂诺 | 4-6,1-6 | |
| 布拉格挑战赛 | 08/23 09:45 | 26 | [425] 费德里科•阿古斯丁•戈麦斯 v 洛伦佐∙吉斯蒂诺 [300] | 6-3,6-3 | |
| 布拉格挑战赛 | 08/21 11:50 | 25 | [300] 洛伦佐∙吉斯蒂诺 v 菲利普•克里斯蒂安•贾努 [348] | 6-4,6-3 | |
| 托迪挑战赛 | 08/15 16:35 | 25 | [301] 洛伦佐∙吉斯蒂诺 v 马蒂斯•埃哈德 [310] | 6-7,0-6 | |
| 托迪挑战赛 | 08/15 13:20 | 25 | 洛伦佐∙吉斯蒂诺 v 卡米洛•乌戈•卡拉贝利 | 已取消 | |
| 波尔图挑战赛 | 08/01 14:50 | 25 | [162] 安托万•埃斯科菲耶 v 洛伦佐∙吉斯蒂诺 [290] | 6-3,6-4 | |
| 波索布兰科挑战赛 | 07/18 07:30 | 25 | 洛伦佐∙吉斯蒂诺 v 埃达斯•布维拉斯 | 1-6,2-6 | |
| 挑战赛 萨尔茨堡 | 07/10 10:30 | 19 | [258] 洛伦佐∙吉斯蒂诺 v 桑德罗•科普 [453] | 0-6,2-6 | |
| 特鲁瓦挑战赛 | 07/07 15:30 | 27 | 卡尔文•赫默里 v 洛伦佐∙吉斯蒂诺 | 6-4,4-6,6-1 | |
| 特鲁瓦挑战赛 | 07/06 11:00 | 26 | [331] 卢卡斯•格希 v 洛伦佐∙吉斯蒂诺 [258] | 3-6,6-3,3-6 | |
| 特鲁瓦挑战赛 | 07/05 10:05 | 25 | [295] 瓦伦丁•罗伊尔 v 洛伦佐∙吉斯蒂诺 [258] | 4-6,4-6 | |
| 莫德纳挑战赛 | 06/26 17:40 | 25 | [256] 洛伦佐∙吉斯蒂诺 v Nerman 法蒂齐 [251] | 6-7,2-6 | |
| 波茲南挑战赛 | 06/20 08:30 | 25 | [117] 法昆多 D 阿科斯塔 v 洛伦佐∙吉斯蒂诺 [255] | 3-6,6-2,6-4 | |
| 佩鲁贾挑战赛 | 06/12 13:30 | 25 | [313] 波尔 M 蒂芬 v 洛伦佐∙吉斯蒂诺 [250] | 6-3,6-3 | |
| 普罗斯捷约夫挑战赛 | 06/04 11:25 | 14 | 洛伦佐∙吉斯蒂诺 v 佩德罗•萨卡摩托 | 6-4,6-7,6-7 | |
| 维琴察挑战赛 | 05/29 10:50 | 19 | [250] 洛伦佐∙吉斯蒂诺 v Nerman 法蒂齐 [278] | 2-6,2-6 | |
| 维琴察挑战赛 | 05/28 12:00 | 14 | [250] 洛伦佐∙吉斯蒂诺 v 丹尼尔•杜特拉•达席尔瓦 [327] | 6-4,4-6,6-1 |
Lorenzo Giustino (Italian pronunciation: [loˈrɛntso dʒuˈstiːno]; born 10 September 1991, in Naples) is an Italian tennis player.
Giustino has a career-high ATP singles ranking of 127 achieved on 12 August 2019 and a career-high ATP doubles ranking of 311 achieved on 15 April 2019.
Giustino made his ATP main draw debut at the 2015 BRD Năstase Țiriac Trophy, where he qualified for the main draw.
Giustino made his Grand Slam debut at the 2020 Australian Open. He defeated Frenchman Corentin Moutet 0–6, 7–6 (7), 7–6 (3), 2–6, 18–16 in the first round of 2020 French Open as a first time main draw qualifier at this Major. The match was the second-longest in French Open history, lasting 6 hours, 5 minutes. It was his first ATP tour-level win.
He qualified for his first ATP 500 tournament at the 2021 Dubai Tennis Championships as a lucky loser receiving a bye into the second round after the withdrawal of tenth seed Borna Ćorić.
He qualified for his second ATP 500 at the 2023 Barcelona Open Banc Sabadell.