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 Ka5 win in 9 half-moves
3 Ka7 draw
4 Kc1 draw
5 Kc2 draw
6 Kc3 draw
7 Kd1 draw
8 Kd3 draw
9 Ke1 draw
10 Ke2 draw
11 Ke3 draw
12 Ra3 draw
13 Rb1 draw
14 Rb2 draw
15 Rb4 draw
16 Rb5 draw
17 Rb6 draw
18 Rg3 draw
19 Kb6 loss in 2 half-moves
20 Kb7 loss in 2 half-moves
21 Rb7 loss in 2 half-moves
22 Rb8 loss in 2 half-moves
23 Rc3 loss in 2 half-moves
24 Rd3 loss in 2 half-moves
25 Re3 loss in 2 half-moves
26 Rf3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves