Mariano Tammaro
2021
| J3 PUSCHAVODITSA | [6] | Win |
| J3 SOBOTA | Semi | |
| J3 POZNAN | 1R | |
| J3 TIMISOARA | 2R | |
| J4 BISTRITA | [5] | Quarter |
| J4 PODGORICA | 2R | |
| J5 ANTALYA | Semi | |
| J4 ANTALYA | Semi |
Nation
ITA
World Ranking
ATP Ranking　1101th
Year-end Junior World Ranking
- Year-end 2021 185th
- Year-end 2020 679th
- Year-end 2019 1706th
Match Details
2021 J3 PUSCHAVODITSA
| W | 1R | Vitaliy Horovoy | 6-2 6-1 |
| W | 2R | Andrei Cuceu | 7-5 6-1 |
| W | QF | Alejandro Bancalari | 6-4 7-5 |
| W | SF | Semen Aginskiy | 3-6 6-0 6-3 |
| W | F | Paul Barbier Gazeu | 7-6 6-0 |
2021 J3 SOBOTA
| W | 1R | Tiago Pereira | 6-3 3-6 6-1 |
| W | 2R | Piotr Czaczkowski | 6-3 6-2 |
| W | QF | Paul Barbier Gazeu | 6-4 6-3 |
| L | SF | Francisco Tomas Geschwind | 3-6 3-6 |
2021 J3 POZNAN
| L | 1R | Maciej Kos | 6-7 4-6 |
2021 J3 TIMISOARA
| W | 1R | Timothy Phung | 6-3 6-4 |
| L | 2R | Matei Victor Palcau | 1-6 6-2 4-6 |
2021 J4 BISTRITA
| W | 1R | Luca Preda | 5-7 7-5 7-5 |
| W | 2R | Zoran Ludoski | 6-2 2-6 6-3 |
| L | QF | Eric David Verdes | 4-6 4-6 |
2021 J4 PODGORICA
| W | 1R | Naoya Honda | 6-3 6-7 6-3 |
| L | 2R | Branko Djuric | 2-6 1-6 |
2021 J5 ANTALYA
| W | 1R | Tamerlan Azizov | 6-4 6-4 |
| W | 2R | Baran Soyler | 6-1 6-0 |
| W | QF | Idriss Haddouch | 6-4 2-6 6-3 |
| L | SF | Hynek Barton | 4-6 6-2 2-6 |
2021 J4 ANTALYA
| W | 1R | He Ziheng | 3-6 6-1 7-5 |
| W | 2R | Joel Pierleoni | 6-4 4-6 6-2 |
| W | QF | Idriss Haddouch | 6-2 6-4 |
| L | SF | Kalin Ivanovski | 0-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9586, Number of registered players: 5,950, Number of registered results: 317,378