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 Kb5 draw
4 Kb6 draw
5 Ke1 draw
6 Ke2 draw
7 Ke3 draw
8 Kf1 draw
9 Kg1 draw
10 Kg2 draw
11 Ra1 draw
12 Ra2 draw
13 Ra3 draw
14 Rb4 draw
15 Rc4 draw
16 Rd4 draw
17 Re4 draw
18 Kf3 loss in 2 half-moves
19 Kg3 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves