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

EGTB: win in 4 half-moves

# move score
1 K3b4 win in 3 half-moves
2 K3d4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Kd3 win in 3 half-moves
6 Rb4 win in 3 half-moves
7 K5b4 draw
8 K5d4 draw
9 Kb3 draw
10 Kc2 draw
11 Kc6 draw
12 Kd2 draw
13 Ra4 draw
14 Rd4 draw
15 Rh4 draw
16 Kb2 loss in 2 half-moves
17 Kd5 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves