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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Rc7 win in 1 half-moves
3 Rd7 win in 1 half-moves
4 Re7 win in 1 half-moves
5 Kb5 draw
6 Kb6 draw
7 Kb7 draw
8 Rf7 draw
9 Rg7 draw
10 Rh7 draw
11 Ka5 loss in 1 half-moves
12 Kc1 loss in 1 half-moves
13 Kc2 loss in 1 half-moves
14 Kd2 loss in 1 half-moves
15 Ke1 loss in 1 half-moves
16 Ke2 loss in 1 half-moves
17 Ra8 loss in 1 half-moves