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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ka6 draw
3 Kb6 draw
4 Kd1 draw
5 Kd2 draw
6 Kd3 draw
7 Ke1 draw
8 Ke3 draw
9 Kf1 draw
10 Kf2 draw
11 Kf3 draw
12 Ra1 draw
13 Ra2 draw
14 Ra3 draw
15 Rb4 draw
16 Rc4 draw
17 Rg4 draw
18 Rh4 draw
19 Kb5 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rf4 loss in 2 half-moves