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

EGTB: win in 2 half-moves

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