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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Kb7 win in 1 half-moves
3 Kc4 win in 1 half-moves
4 Kc5 win in 1 half-moves
5 Ra1 win in 1 half-moves
6 Ra6 win in 1 half-moves
7 Ka4 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kb8 loss in 2 half-moves
10 Ra2 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb3 loss in 2 half-moves
13 Rd3 loss in 2 half-moves
14 Re3 loss in 2 half-moves
15 Rf3 loss in 2 half-moves
16 Rg3 loss in 2 half-moves
17 Rh3 loss in 2 half-moves
18 Ka5 loss in 1 half-moves
19 Ka7 loss in 1 half-moves
20 Kc3 loss in 1 half-moves
21 Ra5 loss in 1 half-moves
22 Ra7 loss in 1 half-moves
23 Rc3 loss in 1 half-moves