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 Kd3 win in 3 half-moves
3 Ka6 draw
4 Kb6 draw
5 Kd1 draw
6 Ke1 draw
7 Ke2 draw
8 Rd3 draw
9 Re2 draw
10 Re4 draw
11 Re5 draw
12 Re6 draw
13 Re7 draw
14 Re8 draw
15 Rf3 draw
16 Rg3 draw
17 Rh3 draw
18 Ka4 loss in 2 half-moves
19 Kb4 loss in 2 half-moves
20 Kc1 loss in 2 half-moves
21 Kc2 loss in 2 half-moves
22 Kc3 loss in 2 half-moves
23 Ra3 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rc3 loss in 2 half-moves
26 Re1 loss in 2 half-moves