| 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 |
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.