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 5 half-moves
3 Kc4 win in 5 half-moves
4 Kd4 win in 5 half-moves
5 Kf3 win in 5 half-moves
6 Rb1 win in 5 half-moves
7 Rc1 win in 5 half-moves
8 Rd1 win in 5 half-moves
9 Ra4 win in 7 half-moves
10 Kd5 win in 9 half-moves
11 Rf1 win in 9 half-moves
12 Kb6 draw
13 Kc6 draw
14 Kd6 draw
15 Ke1 draw
16 Ke2 draw
17 Ke3 draw
18 Kf1 draw
19 Kg1 draw
20 Kg2 draw
21 Kg3 draw
22 Ra2 draw
23 Ra3 draw
24 Ra5 draw
25 Ra8 draw
26 Re1 draw
27 Ra6 loss in 2 half-moves
28 Ra7 loss in 2 half-moves
29 Rg1 loss in 2 half-moves
30 Rh1 loss in 2 half-moves