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

EGTB: win in 2 half-moves

# move score
1 Ra5 win in 1 half-moves
2 Rd4 loss in 4 half-moves
3 Ka2 loss in 2 half-moves
4 Kb1 loss in 2 half-moves
5 Kb2 loss in 2 half-moves
6 Ra2 loss in 2 half-moves
7 Ra3 loss in 2 half-moves
8 Rb4 loss in 2 half-moves
9 Rc4 loss in 2 half-moves
10 Re4 loss in 2 half-moves
11 Rf4 loss in 2 half-moves
12 Rg4 loss in 2 half-moves
13 Ra6 loss in 1 half-moves
14 Ra7 loss in 1 half-moves
15 Ra8 loss in 1 half-moves
16 Rh4 loss in 1 half-moves