Yusaku Harashima
Generation
Born in 2009 (15-16 years old)
World Ranking
Junior World Ranking　1168th
Year-end Junior World Ranking
Match Details
| W | 2R | Herman Kravchenko | 6-2 6-2 |
| L | 3R | Joao Mendes | 4-6 3-6 |
| W | 1R | Jose Ignacio Cuevas | 4-6 6-3 6-2 |
| L | 2R | Martin Rodriguez Pellicena | 1-6 6-7 |
| L | 1R | Agustin Siancha Borlenghi | 4-6 2-6 |
| W | 1R | Thabani Christian Nhokwara | 6-1 6-2 |
| W | 2R | Mark Nawa | 6-4 6-1 |
| L | 3R | Reuben De Klerk | 3-6 4-6 |
| W | 1R | Clandestine Kudakwashe Ndiringepi | 6-3 6-1 |
| L | 2R | Jintao Lan | 1-6 2-6 |
| W | 1R | Casey Cox | 6-0 6-0 |
| L | 2R | Willem De Waal | 4-6 4-6 |
| L | 1R | Harry Cornhill | 6-4 3-6 2-6 |
| W | 1R | Malli Muondu | 6-1 6-1 |
| W | 2R | Jason Fu | 7-5 6-3 |
| W | 3R | Ronit Gupta | 6-4 6-1 |
| L | QF | Zi Yi Ou | 3-6 1-6 |
| W | 1R | Navya Yadav | 6-4 6-3 |
| W | 2R | Aaryan Khimasia | 6-3 6-4 |
| W | 3R | Yonatan Barak | 6-3 6-3 |
| L | QF | Andreas Foong | 5-7 7-6 1-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 5774, Number of registered players: 3,011, Number of registered results: 222,093