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 Ka7 draw
3 Ka8 draw
4 Kb2 draw
5 Kb3 draw
6 Kb7 draw
7 Kc2 draw
8 Kc7 draw
9 Kc8 draw
10 Kd2 draw
11 Kd3 draw
12 Kd4 draw
13 Rd3 draw
14 Re3 draw
15 Rf1 draw
16 Rf2 draw
17 Rf4 draw
18 Rf5 draw
19 Rf6 draw
20 Kc4 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rf8 loss in 2 half-moves
23 Rg3 loss in 2 half-moves
24 Rh3 loss in 2 half-moves