R. Kosaka
GIRLS SINGLES
· Japan
· age 56
· recent form 5-9
R. Kosaka is a GIRLS SINGLES tennis player. Current hard-court ELO 1175 (5-9). Recent form: 5-9 over the last 14 matches.
ELO ratings by surface
| Surface | ELO | Record | Matches |
|---|
| Hard | 1175 | 5-9 | 14 |
Recent match history
| Date | | Opponent | Score | Event |
|---|
| July 16, 2026 |
L |
J. Zhang |
2 - 0 |
W15 Luan 5 · hard |
| July 14, 2026 |
W |
L. An |
2 - 0 |
W15 Luan 5 · hard |
| July 8, 2026 |
L |
S. Y. Choi |
2 - 0 |
W15 Luan 4 · hard |
| June 25, 2026 |
L |
Y. Zhang |
1 - 2 |
W15 Sapporo 2 · hard |
| June 24, 2026 |
W |
M. Uemura |
0 - 2 |
W15 Sapporo 2 · hard |
| May 13, 2026 |
L |
G. Jang |
0 - 2 |
W35 Andong · hard |
| April 22, 2026 |
L |
E. Micic |
1 - 2 |
W35 Miyazaki 2 (Japan) · hard |
| Jan. 24, 2026 |
L |
E. Tupitsyna |
0 - 2 |
Girls Australian Open · hard |
| Jan. 22, 2026 |
W |
L. V. Pop |
2 - 0 |
Girls Australian Open · hard |
| Jan. 21, 2026 |
W |
R. Cho |
2 - 0 |
Girls Australian Open · hard |
| May 22, 2025 |
L |
N. Nishino |
2 - 0 |
W15 Fukui · hard |
| May 21, 2025 |
W |
Y. Kitahara |
2 - 1 |
W15 Fukui · hard |
| May 14, 2025 |
L |
Y. Naito |
2 - 1 |
W15 Toyama · hard |
| July 31, 2024 |
L |
H. Kinoshita |
2 - 1 |
ITF W15 Sapporo 2 Women · hard |