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 Kc5 draw
3 Kd5 draw
4 Ra1 draw
5 Ra3 draw
6 Ra4 draw
7 Rg5 draw
8 Rh5 draw
9 K3b3 loss in 2 half-moves
10 K3b4 loss in 2 half-moves
11 K3d3 loss in 2 half-moves
12 K3d4 loss in 2 half-moves
13 K4b3 loss in 2 half-moves
14 K4b4 loss in 2 half-moves
15 K4d3 loss in 2 half-moves
16 K4d4 loss in 2 half-moves
17 Kb2 loss in 2 half-moves
18 Kc2 loss in 2 half-moves
19 Kd2 loss in 2 half-moves
20 Ra2 loss in 2 half-moves
21 Ra6 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Ra8 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rc5 loss in 2 half-moves
26 Rd5 loss in 2 half-moves
27 Re5 loss in 2 half-moves
28 Rf5 loss in 2 half-moves