Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kc3 win in 3 half-moves
4 Kc4 win in 5 half-moves
5 Ra4 win in 5 half-moves
6 Rb4 win in 5 half-moves
7 Ka6 draw
8 Ka8 draw
9 Kb8 draw
10 Kc2 draw
11 Kd2 draw
12 Kd4 draw
13 Ke2 draw
14 Ke3 draw
15 Rc4 draw
16 Rd4 draw
17 Re1 draw
18 Re2 draw
19 Re3 draw
20 Re5 draw
21 Re6 draw
22 Rf4 draw
23 Re7 loss in 2 half-moves
24 Re8 loss in 2 half-moves
25 Rg4 loss in 2 half-moves
26 Rh4 loss in 2 half-moves