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

EGTB: win in 2 half-moves

# move score
1 Ra7 win in 1 half-moves
2 Ka2 loss in 2 half-moves
3 Kb2 loss in 2 half-moves
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Ra5 loss in 2 half-moves
7 Ra6 loss in 2 half-moves
8 Ra8 loss in 2 half-moves
9 Rb4 loss in 2 half-moves
10 Rc4 loss in 2 half-moves
11 Rd4 loss in 2 half-moves
12 Re4 loss in 2 half-moves
13 Rf4 loss in 1 half-moves
14 Rg4 loss in 1 half-moves
15 Rh4 loss in 1 half-moves