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 Ka4 draw
3 Ka5 draw
4 Ka6 draw
5 Kb1 draw
6 Kb2 draw
7 Kb6 draw
8 Kc2 draw
9 Kd1 draw
10 Kd2 draw
11 Ra1 draw
12 Ra2 draw
13 Ra5 draw
14 Ra7 draw
15 Ra8 draw
16 Rb3 draw
17 Rc3 draw
18 Rd3 draw
19 Rf3 draw
20 Rg3 draw
21 Kc4 loss in 2 half-moves
22 Kc5 loss in 2 half-moves
23 Kc6 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Re3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves