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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Rg4 win in 1 half-moves
4 Rh4 win in 1 half-moves
5 Ra1 draw
6 Ra2 draw
7 Ra3 draw
8 Ra7 draw
9 Kb8 loss in 2 half-moves
10 Ra5 loss in 2 half-moves
11 Ra6 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Re4 loss in 2 half-moves
15 Ka7 loss in 1 half-moves
16 Rd4 loss in 1 half-moves