Stadium: Court 17 Round: 62 Ground: Clay
| ITF M15 - Alcala De Henares | 2023/11/21 08:00 | Aaron Cohen v Santiago Plaza | 6-3,5-7,10-8 |
| ITF M25 - Murcia | 2020/03/03 11:15 | Jorge Martinez Martinez v Santiago Plaza | 6-4,6-0 |
| ITF M25 - Murcia | 2020/03/01 15:00 | Santiago Plaza v Alejandro Manzanera Pertusa | 6-4,6-4 |
| ITF M15 Getafe Madrid | 2019/10/14 09:00 | Nicolas Uryson v Santiago Plaza | 6-3,6-4 |
| ITF M15 - Madrid | 2019/04/17 09:30 | Jose Fco. Vidal Azorin v Santiago Plaza | 6-3,6-3 |
| ITF Spain F28 Qual | 2018/09/15 13:00 | Benjamin Winter Lopez v Santiago Plaza | 6-2,6-2 |
| ITF Spain F15 Qual | 2018/06/09 13:00 | Miguel Damas v Santiago Plaza | 6-2,6-4 |
| ITF Spain F14 Qual | 2018/06/02 08:00 | Alexis Klegou v Santiago Plaza | 6-1,6-1 |
| ITF M15 - Alcala De Henares | 2023/11/23 09:00 | David Perez Sanz v Luigi Castelletti | 6-3,6-2 |
| ITF M15 - Alcala De Henares | 2023/11/21 08:00 | Luigi Castelletti v David Puig Molina | 4-6,6-0,10-5 |
| ITF M15 - Alcala De Henares | 2023/11/20 11:30 | Luigi Castelletti v Pau Bosch Munoz | 6-4,6-2 |
| ITF M15 - Monastir | 2023/11/05 08:30 | Luigi Castelletti v Chirag Duhan | 0-6,1-6 |
| ITF M15 - Selva Gardena | 2023/10/30 13:00 | Patrick Zahraj v Luigi Castelletti | 6-3,7-5 |
| ITF M15 - Selva Gardena | 2023/10/29 14:45 | Eliot Nobel v Luigi Castelletti | 7-6,3-6,5-10 |
| Challenger - Olbia | 2023/10/15 13:40 | Mathias Bourgue v Luigi Castelletti | 6-3,6-4 |
| ITF M15 - Sharm El Sheikh | 2023/10/08 12:00 | Mykhailo Mossur v Luigi Castelletti | 6-3,6-2 |