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 Kb2 loss in 12 half-moves
3 Kb3 loss in 12 half-moves
4 Kb4 loss in 12 half-moves
5 Rb7 loss in 10 half-moves
6 Ka2 loss in 8 half-moves
7 Ra8 loss in 8 half-moves
8 Ka4 loss in 6 half-moves
9 Rc7 loss in 4 half-moves
10 Rd7 loss in 4 half-moves
11 Ra4 loss in 2 half-moves
12 Ra5 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves
16 Rh7 loss in 1 half-moves