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 Ra3 draw
11 Ra5 draw
12 Ra8 draw
13 Rb1 draw
14 Rc1 draw
15 Rh1 draw
16 Kc4 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra4 loss in 2 half-moves
22 Ra6 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rd1 loss in 2 half-moves
25 Re1 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rg1 loss in 2 half-moves