Ko Nagashima (JPN)
Country: Japan,
Born in 2007,
Category: ATP
ITF Ranking
1521
-92
Season High : 1373
Career High : 1373
| Tierlevel | Tourn. | Titles | Matches | Wins | Losses | PCT | 6-0 | 0-6 | 7-6 | 6-7 | Total | 4 | 0 | 10 | 6 | 4 | 0.600 | 0 | 1 | 1 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|
| M15 | 1 | 0 | 1 | 0 | 1 | 0.000 | 0 | 0 | 0 | 0 |
| J100 Boys | 1 | 0 | 3 | 2 | 1 | 0.667 | 0 | 0 | 0 | 0 |
| J60 Boys | 1 | 0 | 3 | 2 | 1 | 0.667 | 0 | 1 | 1 | 0 |
| J30 Boys | 1 | 0 | 3 | 2 | 1 | 0.667 | 0 | 0 | 0 | 0 |
Tournaments played in 2025
See detailed tennis results of Ko Nagashima| Sep 10 | J100B | QF | J100 Kawaguchi \ ITF Kanto Junior Tennis, Kawaguchi(JPN) |
| Jun 02 | M15 | 1/16 | M15 Karuizawa 07, Karuizawa(JPN) |
| May 28 | J60B | QF | J60 Miki City \ Hyogo International Junior Tournament 1, Hyogo(JPN) |
| Apr 16 | J30B | QF | J30 Munakata \ AI Sugiyama Cup In Kyushu, Munakata(JPN) |
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