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

EGTB: win in 2 half-moves

# move score
1 Ka5 win in 1 half-moves
2 K6b6 draw
3 Ra1 draw
4 Ra2 draw
5 Ra3 draw
6 Rf4 draw
7 Rg4 draw
8 Rh4 draw
9 K7b6 loss in 2 half-moves
10 Ka8 loss in 2 half-moves
11 Kb8 loss in 2 half-moves
12 K6b7 loss in 1 half-moves
13 K7b7 loss in 1 half-moves
14 Kb5 loss in 1 half-moves
15 Ra5 loss in 1 half-moves
16 Rb4 loss in 1 half-moves
17 Rc4 loss in 1 half-moves
18 Rd4 loss in 1 half-moves
19 Re4 loss in 1 half-moves