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

EGTB: win in 2 half-moves

# move score
1 Ra2 win in 1 half-moves
2 Rd7 win in 1 half-moves
3 Rh7 win in 1 half-moves
4 Kb7 loss in 8 half-moves
5 Ra1 loss in 8 half-moves
6 Ra3 loss in 8 half-moves
7 Ra8 loss in 8 half-moves
8 Ka8 loss in 2 half-moves
9 Kc7 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Ra6 loss in 2 half-moves
14 Rb7 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Re7 loss in 1 half-moves
18 Rf7 loss in 1 half-moves