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

EGTB: win in 2 half-moves

# move score
1 Ra6 win in 1 half-moves
2 Rh7 draw
3 Ka3 loss in 2 half-moves
4 Ka5 loss in 2 half-moves
5 Kb3 loss in 2 half-moves
6 Kb4 loss in 2 half-moves
7 Kb5 loss in 2 half-moves
8 Ra5 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc7 loss in 2 half-moves
12 Rd7 loss in 1 half-moves
13 Re7 loss in 1 half-moves
14 Rf7 loss in 1 half-moves
15 Rg7 loss in 1 half-moves