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