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 Kb5 draw
3 Kc4 draw
4 Kd1 draw
5 Kd2 draw
6 Ke1 draw
7 Kf1 draw
8 Kf2 draw
9 Ra1 draw
10 Ra2 draw
11 Ra5 draw
12 Ra7 draw
13 Rb3 draw
14 Rc3 draw
15 Rh3 draw
16 Kb6 loss in 2 half-moves
17 Kc6 loss in 2 half-moves
18 Kd3 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Ke3 loss in 2 half-moves
23 Kf3 loss in 2 half-moves
24 Ra4 loss in 2 half-moves
25 Ra6 loss in 2 half-moves
26 Ra8 loss in 2 half-moves
27 Rd3 loss in 2 half-moves
28 Re3 loss in 2 half-moves
29 Rf3 loss in 2 half-moves
30 Rg3 loss in 2 half-moves