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 Ka2 draw
3 Ka4 draw
4 Kb2 draw
5 Kb3 draw
6 Kb7 draw
7 Kb8 draw
8 Kc7 draw
9 Kd7 draw
10 Kd8 draw
11 Ra4 draw
12 Ra6 draw
13 Ra7 draw
14 Ra8 draw
15 Rb5 draw
16 Rc5 draw
17 Rg5 draw
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rf5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves