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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Kc5 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Rh5 win in 3 half-moves
6 Rh6 win in 3 half-moves
7 Rh8 win in 3 half-moves
8 Kb3 draw
9 Kb4 draw
10 Kb7 draw
11 Kb8 draw
12 Kc6 draw
13 Kc8 draw
14 Kd4 draw
15 Kd6 draw
16 Kd7 draw
17 Kd8 draw
18 Rg4 draw
19 Rh3 draw
20 Rh7 draw
21 Kc3 loss in 2 half-moves
22 Kd3 loss in 2 half-moves
23 Rd4 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Rf4 loss in 2 half-moves
26 Rh1 loss in 2 half-moves
27 Rh2 loss in 2 half-moves