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

EGTB: win in 4 half-moves

# move score
1 Ra3 win in 3 half-moves
2 Ra6 draw
3 Ra7 draw
4 Rb8 draw
5 Rf8 draw
6 Rg8 draw
7 Rh8 draw
8 Ra1 loss in 2 half-moves
9 Ra2 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Rc8 loss in 2 half-moves
13 Rd8 loss in 2 half-moves
14 Re8 loss in 2 half-moves