R. Kastsiukevich is a ATP tennis player. Current clay-court ELO 1162 (2-4). Recent form: 3-11 over the last 14 matches.
| Date | | Opponent | Score | Event |
| May 22, 2026 |
L |
A. Abibsi |
0 - 2 |
M15 Kayseri · hard |
| April 1, 2026 |
L |
G. Shebekin |
2 - 0 |
M15 Sharm ElSheikh 10 · hard |
| March 25, 2026 |
L |
S. Andre |
0 - 2 |
M15 Sharm ElSheikh 9 · hard |
| March 19, 2026 |
L |
S. Vincent Ruggeri |
0 - 2 |
M15 Sharm ElSheikh 8 · hard |
| March 18, 2026 |
W |
A. Mazdrashki |
1 - 2 |
M15 Sharm ElSheikh 8 · hard |
| Nov. 26, 2025 |
L |
S. Ivanov |
0 - 2 |
M15 Sharm ElSheikh 19 · hard |
| Nov. 19, 2025 |
L |
Z. Nurlanuly |
0 - 2 |
M15 Sharm ElSheikh 18 · hard |
| Oct. 16, 2024 |
L |
M. N. Turker |
0 - 2 |
ITF M15 Kayseri Men · hard |
| April 24, 2024 |
L |
F. Campana |
2 - 0 |
ITF M15 Shymkent 2 Men · clay |
| April 18, 2024 |
L |
K. Singh |
1 - 2 |
ITF M15 Shymkent Men · clay |
| April 17, 2024 |
W |
J. Wendler Filho |
0 - 0 |
ITF M15 Shymkent Men · clay |
| Jan. 10, 2024 |
L |
H. Naw |
2 - 0 |
ITF M15 Kish Island 2 Men · clay |
| Jan. 4, 2024 |
L |
D. Klok |
0 - 2 |
ITF M15 Kish Island Men · clay |
| Jan. 3, 2024 |
W |
A. Chepik |
0 - 2 |
ITF M15 Kish Island Men · clay |