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

EGTB: win in 2 half-moves

# move score
1 Kb6 win in 1 half-moves
2 Ra1 win in 3 half-moves
3 Ra2 win in 3 half-moves
4 Ra3 win in 3 half-moves
5 K7b7 draw
6 K8b7 draw
7 K8b8 draw
8 Ra6 draw
9 Rb4 draw
10 Re4 draw
11 K7b8 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Rf4 loss in 2 half-moves
16 Rg4 loss in 2 half-moves
17 Rh4 loss in 2 half-moves
18 Ka6 loss in 1 half-moves