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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Ka3 draw
3 Ka4 draw
4 Ka5 draw
5 Kb6 draw
6 Kb7 draw
7 Kb8 draw
8 Kc4 draw
9 Kc5 draw
10 Kc6 draw
11 Kc8 draw
12 Kd6 draw
13 Kd7 draw
14 Kd8 draw
15 Ra5 draw
16 Rb5 draw
17 Rf3 draw
18 Rf4 draw
19 Rf6 draw
20 Rf7 draw
21 Rf8 draw
22 Rg5 draw
23 Rh5 draw
24 Kb3 loss in 2 half-moves
25 Kc3 loss in 2 half-moves
26 Rc5 loss in 2 half-moves
27 Rd5 loss in 2 half-moves
28 Re5 loss in 2 half-moves
29 Rf1 loss in 2 half-moves
30 Rf2 loss in 2 half-moves