Round: 44 Ground: Clay
| 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 Spain F13 | 2018/05/26 11:00 | Ivan Marrero Curbelo v Santiago Plaza | 6-2,6-3 |
| ITF Spain F20 Qual | 2017/07/02 13:05 | Alberto Barroso Campos v Santiago Plaza | 6-4,6-4 |
| ITF Spain F19 | 2017/06/26 08:00 | Santiago Plaza v Edoardo Eremin | 4-6,2-6 |