Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rd6 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Rb1 draw
5 Kc1 loss in 8 half-moves
6 Kd3 loss in 8 half-moves
7 Rd2 loss in 8 half-moves
8 Kd2 loss in 6 half-moves
9 Rc1 loss in 4 half-moves
10 Rd3 loss in 4 half-moves
11 Kb1 loss in 2 half-moves
12 Kb2 loss in 2 half-moves
13 Kb3 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Ra1 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Re1 loss in 2 half-moves
19 Rf1 loss in 2 half-moves
20 Rg1 loss in 2 half-moves
21 Rh1 loss in 2 half-moves