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

EGTB: win in 2 half-moves

# move score
1 Ra1 win in 1 half-moves
2 Kb7 loss in 8 half-moves
3 Kb8 loss in 4 half-moves
4 Ra5 loss in 4 half-moves
5 Ra6 loss in 4 half-moves
6 Rf7 loss in 4 half-moves
7 Rg7 loss in 4 half-moves
8 Rh7 loss in 4 half-moves
9 Ra2 loss in 2 half-moves
10 Ra3 loss in 2 half-moves
11 Ra4 loss in 2 half-moves
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves