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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Re2 win in 3 half-moves
3 Re3 win in 5 half-moves
4 Kcc4 win in 7 half-moves
5 Kcd4 win in 7 half-moves
6 Kdd4 win in 7 half-moves
7 Kc2 draw
8 Kc3 draw
9 Kd2 draw
10 Kd5 draw
11 Kdc4 draw
12 Ke2 draw
13 Ke3 draw
14 Ke4 draw
15 Ra1 draw
16 Rc1 draw
17 Rd1 draw
18 Re4 draw
19 Re5 draw
20 Rf1 draw
21 Rg1 draw
22 Rh1 draw
23 Kb5 loss in 2 half-moves
24 Kb6 loss in 2 half-moves
25 Kc6 loss in 2 half-moves
26 Kd6 loss in 2 half-moves
27 Rb1 loss in 2 half-moves
28 Re6 loss in 2 half-moves
29 Re7 loss in 2 half-moves
30 Re8 loss in 2 half-moves