| ITF M25薩瓦德爾 | 05/02 09:00 | 26 | [407] 埃里克 Vanshelboim v 洛倫佐∙吉斯蒂諾 [324] | 6-4,6-2 | |
| ITF M25薩瓦德爾 | 05/01 07:00 | 25 | 亞歷山大•布雷寧 v 洛倫佐∙吉斯蒂諾 | 6-1,4-6,1-6 | |
| 巴塞羅那挑戰賽 | 04/06 09:00 | 28 | [354] 洛倫佐∙吉斯蒂諾 v 貝那別•薩帕塔•米拉列斯 [143] | Retired | |
| 巴塞羅那挑戰賽 | 04/05 09:00 | 27 | [354] 洛倫佐∙吉斯蒂諾 v 傑斯帕•德容 [155] | 7-5,6-4 | |
| 巴塞羅那挑戰賽 | 04/03 10:10 | 26 | [187] 維塔利•薩奇科 v 洛倫佐∙吉斯蒂諾 [354] | 4-6,2-6 | |
| 巴塞羅那挑戰賽 | 04/02 11:40 | 25 | [218] 丹尼斯•諾瓦克 v 洛倫佐∙吉斯蒂諾 [354] | Retired | |
| 巴塞羅那挑戰賽 | 04/01 13:05 | 19 | [372] 亞瑟•韋伯 v 洛倫佐∙吉斯蒂諾 [354] | 5-7,5-7 | |
| 巴塞羅那挑戰賽 | 03/31 09:40 | 14 | [408] 卡洛斯•洛佩斯•蒙塔古德 v 洛倫佐∙吉斯蒂諾 [388] | 3-6,5-7 | |
| ITF M25塔拉戈納 | 03/30 10:50 | 28 | [437] 伊格納西奧•布塞 v 洛倫佐∙吉斯蒂諾 [388] | 6-4,6-2 | |
| ITF M25塔拉戈納 | 03/29 12:40 | 27 | 洛倫佐∙吉斯蒂諾 v Svyatoslav Gulin | 6-7,6-3,6-3 | |
| ITF M25塔拉戈納 | 03/28 15:20 | 26 | 洛倫佐∙吉斯蒂諾 v 馬克斯•阿爾卡拉•古里 | 6-2,7-5 | |
| ITF M25塔拉戈納 | 03/27 15:45 | 25 | 洛倫佐∙吉斯蒂諾 v Alejandro Manzanera Pertusa | 6-2,7-6 | |
| ITF M25巴達隆 | 03/24 10:00 | 29 | [499] 阿萊克斯 M 普霍拉斯 v 洛倫佐∙吉斯蒂諾 [388] | 6-3,4-6,3-6 | |
| ITF M25巴達隆 | 03/23 09:00 | 28 | [358] 傑•克拉克 v 洛倫佐∙吉斯蒂諾 [388] | 3-6,2-6 | |
| ITF M25巴達隆 | 03/22 10:00 | 27 | 洛倫佐∙吉斯蒂諾 v Peter Benjamin Privara | 6-0,6-3 | |
| ITF M25巴達隆 | 03/21 10:30 | 26 | 洛倫佐∙吉斯蒂諾 v Carlos Gimeno Valero | Walkover | |
| ITF M25巴達隆 | 03/20 11:10 | 25 | 洛倫佐∙吉斯蒂諾 v David Puig Molina | 6-3,6-1 | |
| ITF M25狼谷 | 03/13 12:05 | 25 | 洛倫佐∙吉斯蒂諾 v 安德烈斯 F 卡諾瓦 | 3-6,4-6 | |
| ITF M25金塔多拉戈 | 03/07 14:00 | 26 | 基岡•史密斯 v 洛倫佐∙吉斯蒂諾 | 6-2,5-7,6-4 | |
| ITF M25金塔多拉戈 | 03/06 12:35 | 25 | 若奧∙多米古斯 v 洛倫佐∙吉斯蒂諾 | 3-6,0-6 | |
| 特內里費挑戰賽 | 02/18 10:00 | 14 | [277] 喬瓦尼•福尼奧 v 洛倫佐∙吉斯蒂諾 [330] | 4-6,6-4,6-1 | |
| 挑戰者 -契堡格 | 02/12 17:10 | 25 | [330] 洛倫佐∙吉斯蒂諾 v 馬蒂亞•貝魯奇 [193] | 6-7,3-6 | |
| 諾丁漢挑戰賽 | 02/06 10:30 | 25 | [183] 亞曆山大•裏特查德 v 洛倫佐∙吉斯蒂諾 [329] | 6-4,6-3 | |
| 挑戰賽 坎佩爾 | 01/22 11:20 | 14 | 洛倫佐∙吉斯蒂諾 v 艾米里安•伏瓦辛 | 6-3,3-6,4-6 | |
| 特內里費挑戰賽 | 01/15 10:00 | 19 | [300] 洛倫佐∙吉斯蒂諾 v 塞繆爾•文森特•盧格里 [337] | 2-6,3-6 | |
| 特內里費挑戰賽 | 01/14 11:20 | 14 | [288] 洛倫佐∙吉斯蒂諾 v 阿爾貝托•巴羅佐•坎波斯 [380] | 6-4,6-2 | |
| 奧埃拉什挑戰賽 | 01/10 15:40 | 26 | [244] 吉奧•索薩 v 洛倫佐∙吉斯蒂諾 [288] | 6-3,6-1 | |
| 奧埃拉什挑戰賽 | 01/09 13:30 | 25 | [288] 洛倫佐∙吉斯蒂諾 v 邁克爾•盧本斯基 [301] | 6-4,2-6,7-5 | |
| 奧埃拉什挑戰賽 | 01/04 15:00 | 26 | [322] Thai-Son 卡威特科斯基 v 洛倫佐∙吉斯蒂諾 [287] | 6-4,6-4 | |
| 奧埃拉什挑戰賽 | 01/01 17:20 | 25 | [287] 洛倫佐∙吉斯蒂諾 v 邁克爾•盧本斯基 [300] | 7-5,4-6,6-4 |
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.