Koji Tsukamoto
Nation
JPN
Generation
Born in 2008 (17-18 years old)
World Ranking
Junior World Ranking　2229th
Year-end Junior World Ranking
- Year-end 2025 2905th
- Year-end 2024 3526th
Match Details
2025 J30 CHIGASAKI
| W | 1R | Gota Inoue | 6-2 6-1 |
| W | 2R | Yuta Amano | 6-4 6-2 |
| W | QF | Ryosuke Kobayashi | 3-6 6-4 6-0 |
| L | SF | Sena Okabe | 4-6 1-6 |
2024 J30 OSAKA
| L | 1R | Mao Tazuru | 3-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 10399, Number of registered players: 6,627, Number of registered results: 381,810