Yusaku Harashima
2025
| J30Bejar | [5] | 1R |
| J60Lesfranquesesdelvalles | 1R | |
| J30Porto | [10] | 3R |
| J30Setubal | [10] | 2R |
2024
| J30Gijon | [7] | 2R |
| J60Estepona | 1R | |
| J100Elpratdellobregat | 1R | |
| J100Harare-2 | 3R | |
| J100Harare | 2R | |
| J60Harare | 2R | |
| J30Kampala-2 | [8] | 1R |
| J30Kampala | 1R | |
| J30Nairobi-3 | Quarter | |
| J30Nairobi-2 | Quarter |
Nation
JPN
Generation
Born in 2009 (15-16 years old)
World Ranking
Junior World Ranking　1530th
Year-end Junior World Ranking
- Year-end 2024 1473th
Match Details
2025 J30Bejar
| L | 1R | Yeray Quian Darriba | 2-6 6-2 3-6 |
2025 J60Lesfranquesesdelvalles
| L | 1R | Olav Berg | 1-6 2-6 |
2025 J30Porto
| W | 2R | Herman Kravchenko | 6-2 6-2 |
| L | 3R | Joao Mendes | 4-6 3-6 |
2025 J30Setubal
| L | 2R | Tomas Tocha | 5-7 1-6 |
2024 J30Gijon
| W | 1R | Jose Ignacio Cuevas | 4-6 6-3 6-2 |
| L | 2R | Martin Rodriguez Pellicena | 1-6 6-7 |
2024 J60Estepona
| L | 1R | Agustin Siancha Borlenghi | 4-6 2-6 |
2024 J100Elpratdellobregat
| L | 1R | Archie Stewart | 3-6 2-6 |
2024 J100Harare-2
| 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 |
2024 J100Harare
| W | 1R | Clandestine Kudakwashe Ndiringepi | 6-3 6-1 |
| L | 2R | Jintao Lan | 1-6 2-6 |
2024 J60Harare
| W | 1R | Casey Cox | 6-0 6-0 |
| L | 2R | Willem De Waal | 4-6 4-6 |
2024 J30Kampala-2
| L | 1R | Zayyan Virani | 7-5 |
2024 J30Kampala
| L | 1R | Harry Cornhill | 6-4 3-6 2-6 |
2024 J30Nairobi-3
| 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 |
2024 J30Nairobi-2
| 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: 9482, Number of registered players: 4,990, Number of registered results: 217,154