K. Kosan is a WTA tennis player. Current clay-court ELO 1181 (0-1). Recent form: 4-11 over the last 15 matches.
| Date | | Opponent | Score | Event |
| June 24, 2026 |
L |
C. Driscoll |
0 - 2 |
W15 Claremont · hard |
| June 16, 2026 |
L |
S. Webster |
1 - 2 |
W15 Irvine, CA · hard |
| June 10, 2026 |
L |
T. Messerli |
2 - 1 |
W15 Los Angeles, CA · hard |
| June 4, 2026 |
L |
J. Chan |
0 - 2 |
W15 Lakewood, CA 2 · hard |
| June 2, 2026 |
W |
C. Jauffret |
0 - 2 |
W15 Lakewood, CA 2 · hard |
| May 27, 2026 |
L |
J. Brown |
2 - 1 |
W15 Lakewood, CA · hard |
| March 12, 2026 |
L |
D. Ivanova |
1 - 2 |
W15 Victoriaville · hard |
| March 10, 2026 |
W |
A. Schlepphorst |
0 - 2 |
W15 Victoriaville · hard |
| March 4, 2026 |
L |
D. Ivanova |
0 - 2 |
W15 Trois-Rivieres · hard |
| Oct. 9, 2025 |
L |
M. Sieg |
0 - 2 |
W35 Redding, CA · hard |
| Oct. 7, 2025 |
W |
V. Allen |
0 - 0 |
W35 Redding, CA · hard |
| July 3, 2025 |
L |
K. Collins |
2 - 0 |
W15 Los Angeles, CA · hard |
| July 2, 2025 |
W |
C. Kiss |
0 - 2 |
W15 Los Angeles, CA · hard |
| June 25, 2025 |
L |
A. Hamilton |
1 - 2 |
W15 Lakewood, CA · hard |
| June 20, 2025 |
L |
A. Ahn |
2 - 1 |
W15 Rancho Santa Fe, CA · hard |