| ITF M25 Tucuman | 2025/02/27 19:38 | Santiago Rodriguez Taverna v Tomas R Sierra | 6-4,6-3 |
| ITF M25 Tucuman | 2025/02/25 13:00 | Tomas R Sierra v Bruno Fernandez | 2-6,6-2,6-4 |
| UTR Pro Barcelona | 2024/10/28 13:00 | Tomas R Sierra v David Naharro Gomez | 7-5,6-2 |
| UTR Pro Barcelona | 2024/10/25 07:00 | Benjamin Dhoe v Tomas R Sierra | 7-6,6-3 |
| UTR Pro Barcelona | 2024/10/24 08:30 | Stijn Paardekooper v Tomas R Sierra | 6-3,5-7,5-7 |
| UTR Pro Barcelona | 2024/10/22 07:00 | Thomas Brown v Tomas R Sierra | 6-1,6-2 |
| UTR Pro Barcelona | 2024/10/21 09:04 | Tomas R Sierra v Twan Van Zijl | 4-6,6-1,6-4 |
| ITF M15 Tucuman | 2023/02/21 19:05 | Alejo Lorenzo Lingua Lavallen v Tomas R Sierra | 7-6,6-1 |