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

EGTB: win in 4 half-moves

# move score
1 Kb7 win in 3 half-moves
2 Kc7 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Rd5 win in 3 half-moves
5 Rd6 win in 3 half-moves
6 Rd7 win in 3 half-moves
7 Kb5 win in 7 half-moves
8 Kb6 win in 7 half-moves
9 Kcc5 win in 7 half-moves
10 Kcd5 win in 7 half-moves
11 Kdd5 win in 7 half-moves
12 Rc8 win in 9 half-moves
13 Kd6 draw
14 Rf8 draw
15 Kc3 loss in 2 half-moves
16 Kc4 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kdc5 loss in 2 half-moves
19 Ke3 loss in 2 half-moves
20 Ke4 loss in 2 half-moves
21 Ke5 loss in 2 half-moves
22 Ra8 loss in 2 half-moves
23 Rb8 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rg8 loss in 2 half-moves
26 Rh8 loss in 2 half-moves