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 Kb5 win in 3 half-moves
3 Rb1 win in 3 half-moves
4 Re1 win in 3 half-moves
5 Kb6 win in 5 half-moves
6 Kc6 win in 5 half-moves
7 Kd6 win in 5 half-moves
8 Ra3 win in 7 half-moves
9 Ra5 win in 7 half-moves
10 Kc2 win in 9 half-moves
11 Kcc4 win in 9 half-moves
12 Kcd4 win in 11 half-moves
13 Kd2 win in 11 half-moves
14 Kc3 win in 13 half-moves
15 Kd5 draw
16 Kdc4 draw
17 Kdd4 draw
18 Ke2 draw
19 Ke3 draw
20 Ke4 draw
21 Ra7 draw
22 Rc1 draw
23 Rd1 draw
24 Rf1 draw
25 Ra2 loss in 2 half-moves
26 Ra4 loss in 2 half-moves
27 Ra6 loss in 2 half-moves
28 Ra8 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves