| Challenger Lima | 10/25 17:00 | - | [350] Lucas Catarina v Alexandar Lazarov [468] | 4-6,2-6 | |
| Challenger Lima | 10/24 16:00 | 26 | Lucas Catarina v Gianluca Ballotta | 6-3,7-5 | |
| Challenger Bogota | 10/20 17:45 | 26 | [286] Nicolas Mejia v Lucas Catarina [357] | 6-4,7-5 | |
| Challenger Bogota | 10/18 18:35 | 25 | [357] Lucas Catarina v Malek Jaziri [297] | 6-2,6-3 | |
| Challenger Santiago | 10/12 20:15 | 25 | [350] Lucas Catarina v Marcelo Tomas Barrios Vera [154] | 5-7,2-6 | |
| Challenger Santiago | 10/11 16:50 | 19 | [350] Lucas Catarina v Nicolas Alvarez [411] | 6-1,3-6,4-6 | |
| Challenger Santiago Qual | 10/10 15:45 | 26 | [350] Lucas Catarina v Nicolas Barrientos [175] | 6-4,7-5 | |
| Challenger Santiago | 10/05 15:35 | 25 | [128] Hugo Dellien v Lucas Catarina [350] | 4-6,6-3,6-3 | |
| Challenger Lima | 09/27 19:10 | 25 | [352] Lucas Catarina v Renzo Olivo [203] | 4-6,4-6 | |
| Challenger Ambato | 09/23 18:50 | 26 | [357] Lucas Catarina v Facundo Mena [269] | 6-4,6-7,4-6 | |
| Challenger Ambato | 09/22 15:00 | 25 | [271] Mirza Basic v Lucas Catarina [357] | 6-7,4-6 | |
| Challenger Quito | 09/14 16:30 | 25 | [354] Lucas Catarina v Juan Pablo Ficovich [247] | 2-6,4-6 | |
| ITF M25 Bagneres-De-Bigorre | 09/02 14:00 | 26 | Lucas Catarina v Kenny de Schepper | 6-7,6-3,1-6 | |
| ITF M25 Bagneres-De-Bigorre | 09/01 17:00 | 25 | Lucas Catarina v Maxence Broville | 7-5,6-4 | |
| Challenger Warsaw | 08/24 12:45 | 25 | [354] Lucas Catarina v Nuno Borges [283] | 3-6,5-7 | |
| Challenger Segovia | 07/25 10:55 | 14 | [349] Lucas Catarina v Nicolas Moreno De Alboran [468] | 4-6,6-7 | |
| Challenger Nur-Sultan | 07/20 05:40 | 25 | Beibit Zhukayev v Lucas Catarina | 6-2,6-4 | |
| Challenger Nur-Sultan | 07/13 04:00 | 25 | Lucas Catarina v Evgeny Karlovskiy | 4-6,2-6 | |
| ITF M25 Nur-Sultan | 07/09 05:00 | 27 | [391] Yu Hsiou Hsu v Lucas Catarina [343] | 6-2,7-5 | |
| ITF M25 Nur-Sultan | 07/08 10:50 | 26 | Dostanbek Tashbulatov v Lucas Catarina | 3-6,4-6 | |
| ITF M25 Nur-Sultan | 07/07 07:00 | 25 | Markos Kalovelonis v Lucas Catarina | 6-4,6-7,2-6 | |
| ITF M25 Bakio | 07/01 14:10 | 26 | Lucas Catarina v Miguel Damas | 6-3,4-6,6-7 | |
| ITF M25 Bakio | 06/30 12:35 | 25 | Lucas Catarina v Juan Bautista Otegui | 4-6,7-5,6-0 | |
| Davis Cup | 06/19 10:00 | - | [360] Petros Chrysochos v Lucas Catarina [345] | 4-6,6-3,6-3 | |
| Davis Cup | 06/17 09:30 | - | Lucas Catarina v Simon Carr | 4-6,4-6 | |
| Davis Cup | 06/16 09:05 | 1 | Lucas Catarina v Liam Delicata | 6-0,6-1 | |
| ITF M15 Helsinki | 06/05 07:00 | 28 | Lucas Catarina v Lilian Marmousez | 3-6,3-6 | |
| ITF M15 Helsinki | 06/04 07:00 | 27 | [349] Lucas Catarina v Clement Tabur [465] | 4-6,7-5,6-3 | |
| ITF M15 Helsinki | 06/03 08:50 | 26 | Lucas Catarina v Andrea Del Federico | 6-0,6-2 | |
| ITF M15 Helsinki | 06/02 06:30 | 25 | Lucas Catarina v Vladimir Ivanov | 7-5,1-6,6-2 |