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