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 Kc7 win in 5 half-moves
3 Ra6 win in 7 half-moves
4 Kc4 win in 9 half-moves
5 Kc6 win in 9 half-moves
6 Ra3 win in 9 half-moves
7 Rb8 win in 9 half-moves
8 Kb2 win in 11 half-moves
9 Kb3 win in 11 half-moves
10 Kc2 win in 11 half-moves
11 Kd7 win in 11 half-moves
12 Kc5 win in 13 half-moves
13 Ra7 win in 13 half-moves
14 Kd3 win in 19 half-moves
15 Kd2 draw
16 Kd4 draw
17 Kd5 draw
18 Ke5 draw
19 Ke6 draw
20 Ke7 draw
21 Ra1 draw
22 Rc8 draw
23 Rd8 draw
24 Re8 draw
25 Rf8 draw
26 Ra2 loss in 2 half-moves
27 Ra4 loss in 2 half-moves
28 Ra5 loss in 2 half-moves
29 Rg8 loss in 2 half-moves
30 Rh8 loss in 2 half-moves