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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Kc6 win in 1 half-moves
3 Rd1 win in 1 half-moves
4 Rd4 win in 1 half-moves
5 Rd5 win in 1 half-moves
6 Ka7 loss in 2 half-moves
7 Kc8 loss in 2 half-moves
8 Kd8 loss in 2 half-moves
9 Rd2 loss in 2 half-moves
10 Rd3 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re7 loss in 2 half-moves
13 Rf7 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rh7 loss in 2 half-moves
16 Kab7 loss in 1 half-moves
17 Kab8 loss in 1 half-moves
18 Kcb7 loss in 1 half-moves
19 Kcb8 loss in 1 half-moves
20 Kd6 loss in 1 half-moves
21 Rd6 loss in 1 half-moves