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

EGTB: win in 4 half-moves

# move score
1 Ra5 win in 3 half-moves
2 Rb8 win in 5 half-moves
3 Ra6 loss in 6 half-moves
4 Ra7 loss in 6 half-moves
5 Rc8 loss in 4 half-moves
6 Nb4 loss in 2 half-moves
7 Nc1 loss in 2 half-moves
8 Nc3 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Rd8 loss in 2 half-moves
12 Re8 loss in 2 half-moves
13 Rf8 loss in 2 half-moves
14 Rg8 loss in 2 half-moves
15 Rh8 loss in 2 half-moves