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

EGTB: win in 4 half-moves

# move score
1 Kb2 win in 3 half-moves
2 Kb3 win in 3 half-moves
3 Kb4 win in 3 half-moves
4 Rb4 win in 3 half-moves
5 Kc2 draw
6 Kcd2 draw
7 Kcd3 draw
8 Ke2 draw
9 Ked2 draw
10 Ked3 draw
11 Kf2 draw
12 Kf3 draw
13 Ra1 draw
14 Ra2 draw
15 Ra3 draw
16 Ra5 draw
17 Ra7 draw
18 Ra8 draw
19 Rc4 draw
20 Rg4 draw
21 Rh4 draw
22 Kc4 loss in 2 half-moves
23 Kcd4 loss in 2 half-moves
24 Ke4 loss in 2 half-moves
25 Ked4 loss in 2 half-moves
26 Kf4 loss in 2 half-moves
27 Ra6 loss in 2 half-moves
28 Rd4 loss in 2 half-moves
29 Re4 loss in 2 half-moves
30 Rf4 loss in 2 half-moves