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

EGTB: win in 4 half-moves

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